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WO1990002390A1 - Apparatus for controlling a television receiver or the like - Google Patents

Apparatus for controlling a television receiver or the like Download PDF

Info

Publication number
WO1990002390A1
WO1990002390A1 PCT/GB1989/000991 GB8900991W WO9002390A1 WO 1990002390 A1 WO1990002390 A1 WO 1990002390A1 GB 8900991 W GB8900991 W GB 8900991W WO 9002390 A1 WO9002390 A1 WO 9002390A1
Authority
WO
WIPO (PCT)
Prior art keywords
appliance
missile
signal
supply
receiver
Prior art date
Application number
PCT/GB1989/000991
Other languages
French (fr)
Inventor
William Nevil Heaton Johnson
Original Assignee
Scientific Applied Research (S.A.R.) Plc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Scientific Applied Research (S.A.R.) Plc filed Critical Scientific Applied Research (S.A.R.) Plc
Publication of WO1990002390A1 publication Critical patent/WO1990002390A1/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/20—Circuits for coupling gramophone pick-up, recorder output, or microphone to receiver
    • H04B1/202—Circuits for coupling gramophone pick-up, recorder output, or microphone to receiver by remote control
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C2201/00—Transmission systems of control signals via wireless link
    • G08C2201/30—User interface
    • G08C2201/32—Remote control based on movements, attitude of remote control device

Definitions

  • THIS INVENTION relates to apparatus for controlling an electrical appliance such as a television receiver, a radio, an electric light or an electric heater, or even an electrically controllable device primarily energised in some other way.
  • an apparatus for controlling a television receiver or the like electrical appliance comprising a unit adapted to be connected between an electrical power outlet and the television receiver or other appliance, for controlling the supply of electrical power to the appliance, the unit incorporating a signal receiver and being arranged, on receipt, by said signal receiver, of a predetermined signal from a transmitter, to cut off the supply of power to said appliance, said transmitter being incorporated in a missile adapted to be thrown by hand and being arranged to emit such a predetermined signal upon detection of impact of said missile with another body, by an impact detector also incorporated in the missile.
  • the unit may be arranged, when in a state to cut off the supply of power to said appliance, to change to a state in which it permits the supply of power to said appliance, upon receipt of a said signal by said signal receiver, and is arranged, when in said state to permit supply of power to the appliance, to change to a state in which it cuts off the supply of power to said appliance upon receipt of a said signal by said signal receiver.
  • the unit and said transmitter may be so arranged that upon detection of impact of said missile with another body, the supply of electrical power to said appliance is cut off only for a predetermined period.
  • FIGURE 1 illustrates one form of transmitter circuit which may be incorporated in the brick, cushion, soft toy- or the like and
  • FIGURE 2 illustrates a corresponding receiver circuit which may be incorporated in the appliance, such as a T.V. receiver, to be controlled.
  • the apparatus includes a unit adapted for connection between the electrical power outlet and the television receiver which unit has an outward form generally similar to that of a conventional power socket "adaptor" and comprises a casing having a portion in the form of a plug with conventional prongs extending therefrom for insertion into a standard electrical supply socket, the casing further having a portion in the form of a socket to receive the prongs of a corresponding standard electrical plug, such socket having conventional contacts therein for engagement with such prongs and the arrangement being, for example, such that, the socket contacts for the "earth” prong are permanently connected directly with the "earth” prong on the plug portion, whilst the socket contacts for the "neutral” and “live” plug prongs are connected with the "neutral” and “live” prongs of the plug portion by way of respective electrically operable switching devices, • such as solid state switches, or respective switches of a relay, circuit breaker, or the like, said switching device being controlled by control
  • Such control circuitry includes a signal receiver, for example adapted to receive ultrasonic or radio signals of a predetermined frequency or character emitted by 'a trans- mitter (to be described).
  • the circuitry within the casing may have a two-state characteristic such that when the unit is in a state in which the switching device is "on”, if the signal receiver receives such a predetermined signal from the transmitter, the circuitry will operate to place the switching device in the "off” condition and when the unit is in the state in which the switching device is in the "off” condition, if the signal receiver then receives such a predetermined signal from the transmitter, the unit will operate to place the switching device in the "on” condition.
  • the circuitry within the casing may be arranged to be normally in the "on” condition, when connected between the mains supply and the appliance, but to be placed briefly in the "off” condition for a predetermined period if the receiver receives such a signal from the transmitter to switch off the television receiver or other appliance for a short period, the circuitry within the - casing returning automatically to its "on” condition to switch the television receiver or other appliance on again, after that predetermined period has elapsed.
  • Control means may be provided, for example, on the unit or associated with the transmitter, whereby the duration of said predetermined period may be adjusted by the user as desired. It will be appreciated that the circuitry within the casing can readily be powered by means of electricity supplied via the live and neutral pins of the plug portion.
  • the transmitter is incorporated in a missile adapted to be thrown by hand at the television receiver without damaging the same.
  • the missile preferably has the form of an externally soft ball, brick, cushion soft toy or the like.
  • the transmitter and associated circuitry including, for example, electrical batteries to power the same, may be encapsulated within a rigid casing received within a cavity devised in a block or ball of soft plastics foam, which may, for example, be received within an outer decorative envelope of fabric, plastics film or the like.
  • the transmitter includes, in addition to a means for transmitting the predetermined, for example, ultrasonic or radio signals to which the signal receiver will respond, a transducer, for example in the form of a trembler switch, which will provide an electrical signal when the missile is subjected to impact forces of the order which it will receive upon striking a wall or a television receiver or similar stationary object.
  • the circuitry within the missile further incorporates means for detecting such an electrical signal produced by the trans- ducer and for causing the transmitter to transmit a corresponding signal for receipt by the signal receiver.
  • the encapsulated casing within the missile accommodates an electrical battery providing power for such circuitry.
  • the missile may simply be kept close to hand and may serve, for example, as a cushion or decorative furnishing. If, however, the tele ⁇ vision viewer is, for example, exasperated by a particular television transmission or by a political or other figure appearing thereon, he may simply throw the missile at the television receiver, causing the latter no damage ut causing the above-described unit to cut off the power supply to the receiver and thereby switch the latter off, as a consequence of the signal emitted by the missile upon impact with the receiver, or, if the missile has missed the receiver, the adjacent wall or furniture.
  • the receiver circuit has the two-state characteristic described above, when it is desired once more to resume viewing, it is simply necessary to throw the missile once more at a point in the vicinity of the socket unit, or simply to drop the missile to cause it to emit a further signal to switch the receiver on again.
  • the receiver circuit is arranged to return to its "on" state after a predetermined period, the receiver will, of course, be switched on again auto ⁇ matically at the end of that period.
  • the duration of the predetermined period may be adjustable at will, as mentioned above.
  • the power supply control unit may take other forms, for example it may be adapted * to be connected in the electrical lead extending from the television receiver to the standard plug. Furthermore, a corresponding unit may be incorporated in the television receive ' r itself, and ⁇ n the latter case may be arranged, for example, to change channels or effect some other form of control upon receipt of the appropriate signal rather than switching off entirely.
  • missile and the "adaptor" switching unit should be sold as a complete package for use with existing television receivers, as a novelty item.
  • the missile is so formed as to reproduce, as accurately as possible, the visual appearance of a proprietary drinks can, such as a can of a well known branded soft drink or alcoholic beverage such as beer.
  • a proprietary drinks can such as a can of a well known branded soft drink or alcoholic beverage such as beer.
  • the body of the missile providing its exterior surface may be moulded in soft plastics foam having a smooth but flexible outer plastics skin appropriately painted or otherwise pigmented.
  • the missile may be formed to reproduce, three dimensionally, the appearance of a manu ⁇ facturer's or trader's trade mark device, or of character or symbol used in an advertising campaign, for example.
  • the missile may be formed to reproduce the appearance of a house brick.
  • the missile may carry means for generating a sound upon impact of the missile, such as the sound of breaking glass.
  • the sound generating means may be in the form of a purely mechanical device, housed in the missile, or may comprise, for example, an electronic signal generating device connected to an appropriate sound transducer. In the latter instance the electronic device may comprise a speech synthesising device arranged to generate a spoken message of one or more spoken words upon impact of the missile.
  • a transmitter circuit which may be incorporated in the soft missile or soft toy referred to above includes a monostable circuit incorporating PNP transistor Q2 and NPN transistor Q3, capacitor C1 and resistors R1, R3 and R4.
  • the monostable circuit When switched from its stable, quiescent state (herein referred to as its "off” state) to Its alternative state (herein referred to as its "on” state), the monostable circuit energises a crystal-con ⁇ trolled oscillator circuit incorporating a transistor Q4, crystal XI, inductor LI, resistors R5, R6 and R7 and capacitors C3 and C5 «
  • the output from the oscillator circuit is fed, via a capacitor C4, to a transmission antenna, which may, for example, simply comprise a suitable length of a thin flexible conductor extended within the brick, cushion, soft toy or the like.
  • the monostable circuit can be triggered into its "on" state by closure of either of two switches SW1 and SW2 to temporarily earth the input I of the monostable circuit.
  • the switches SW1 and SW2, connected in parallel with each other, are, where the transmitter is intended to be fitted within a missile to respond to impact forces, conveniently trembler switches physically arranged within the brick, cushion, doll or the like so as to be responsive to shocks acting in mutually perpendicular directions, to maximise the likelihood that at least one of the two switches will close during impact of the brick, cushion, doll or the like with a stationary object.
  • the monostable circuit when the monostable circuit is triggered into its "on" state, the effect is to apply for a brief period, to what is effectively the positive supply rail P of the oscillator circuit an energising potential, the duration of this period being determined, in known manner, by the values of the components in the monostable circuit.- Accordingly, the oscillator circuit will oscillate for the duration of the "on" period of the monostable and the antenna will radiate CW radio waves for a corresponding duration.
  • the receiver circuit comprises a superhet receiver, the active components of which are incorporated in an integrated circuit 20 and a local oscillator circuit 22.
  • IF filters 24 and 26 form an IF strip of the receiver.
  • the receiver further comprises a detector comprising diodes D7, D8, resistor R14 and capacitors C13 and C14.
  • the input of the receiver taking the form of a positive pulse of a duration corresponding to the period of the monostable in the transmitter, is applied on line 28 to an integrated counter circuit 30 which is so interconnected with diodes D1 to D5, capacitors C6 to C8 and resistors R8 to R11, that upon the appearance of a pulse on line 28 as a result of a signal being transmitted by the transmitter, the circuit 30 applies an output signal, on line 32, to the base of a driver transistor Q6, via resistor RIO, for a predetermined duration, so as to energise the coil 34 of a mains relay Kl having a first relay switch connected in the "live" power supply line to the television receiver or other appliance and a second relay switch connected in the "neutral" power supply line to the television receiver or other appliance. Consequently the relay drops out, terminating the supply of electricity to the television receiver or appliance for said predetermined duration.
  • the portion of the circuit including counter 30 is so arranged as to return to its normal "stand-by" condition at the end of said predetermined duration.
  • the relay Kl may be replaced by an electromagnetically triggerable circuit breaker which, after it has been tripped will require a manual resetting operation to energise the apparatus again.
  • the apparatus such as television receiver may be arranged to be turned off only briefly upon operation of the ' circuitry.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Toys (AREA)

Abstract

Apparatus is disclosed whereby a television receiver or other appliance can be turned off by throwing a soft missile at the receiver or other appliance. The missile incorporates a transmitter arranged to be activated by impact forces to transmit a signal to a receiver incorporated in a switching facility which cuts off the power supply to the television receiver or other appliance on receipt of such a signal.

Description

Title: "Apparatus for controlling a television receiver or the like"
THIS INVENTION relates to apparatus for controlling an electrical appliance such as a television receiver, a radio, an electric light or an electric heater, or even an electrically controllable device primarily energised in some other way.
It is an object of the invention to provide an improved means of controlling appliances, particularly, but not exclusively, in a domestic setting.
According to one aspect of the invention there is provided an apparatus for controlling a television receiver or the like electrical appliance, comprising a unit adapted to be connected between an electrical power outlet and the television receiver or other appliance, for controlling the supply of electrical power to the appliance, the unit incorporating a signal receiver and being arranged, on receipt, by said signal receiver, of a predetermined signal from a transmitter, to cut off the supply of power to said appliance, said transmitter being incorporated in a missile adapted to be thrown by hand and being arranged to emit such a predetermined signal upon detection of impact of said missile with another body, by an impact detector also incorporated in the missile.
The unit may be arranged, when in a state to cut off the supply of power to said appliance, to change to a state in which it permits the supply of power to said appliance, upon receipt of a said signal by said signal receiver, and is arranged, when in said state to permit supply of power to the appliance, to change to a state in which it cuts off the supply of power to said appliance upon receipt of a said signal by said signal receiver.
Alternatively, the unit and said transmitter may be so arranged that upon detection of impact of said missile with another body, the supply of electrical power to said appliance is cut off only for a predetermined period.
Embodiments of the invention are described below by way of example.
The accompanying drawings show electronic circuitry which may be used in one embodiment of the invention.
In the drawings:-
FIGURE 1 illustrates one form of transmitter circuit which may be incorporated in the brick, cushion, soft toy- or the like and
FIGURE 2 illustrates a corresponding receiver circuit which may be incorporated in the appliance, such as a T.V. receiver, to be controlled.
In one embodiment of the invention, intended for controlling a television receiver, the apparatus includes a unit adapted for connection between the electrical power outlet and the television receiver which unit has an outward form generally similar to that of a conventional power socket "adaptor" and comprises a casing having a portion in the form of a plug with conventional prongs extending therefrom for insertion into a standard electrical supply socket, the casing further having a portion in the form of a socket to receive the prongs of a corresponding standard electrical plug, such socket having conventional contacts therein for engagement with such prongs and the arrangement being, for example, such that, the socket contacts for the "earth" prong are permanently connected directly with the "earth" prong on the plug portion, whilst the socket contacts for the "neutral" and "live" plug prongs are connected with the "neutral" and "live" prongs of the plug portion by way of respective electrically operable switching devices, • such as solid state switches, or respective switches of a relay, circuit breaker, or the like, said switching device being controlled by control circuitry also provided within the casing.
Such control circuitry includes a signal receiver, for example adapted to receive ultrasonic or radio signals of a predetermined frequency or character emitted by 'a trans- mitter (to be described). The circuitry within the casing may have a two-state characteristic such that when the unit is in a state in which the switching device is "on", if the signal receiver receives such a predetermined signal from the transmitter, the circuitry will operate to place the switching device in the "off" condition and when the unit is in the state in which the switching device is in the "off" condition, if the signal receiver then receives such a predetermined signal from the transmitter, the unit will operate to place the switching device in the "on" condition. Alternatively, the circuitry within the casing may be arranged to be normally in the "on" condition, when connected between the mains supply and the appliance, but to be placed briefly in the "off" condition for a predetermined period if the receiver receives such a signal from the transmitter to switch off the television receiver or other appliance for a short period, the circuitry within the - casing returning automatically to its "on" condition to switch the television receiver or other appliance on again, after that predetermined period has elapsed. Control means may be provided, for example, on the unit or associated with the transmitter, whereby the duration of said predetermined period may be adjusted by the user as desired. It will be appreciated that the circuitry within the casing can readily be powered by means of electricity supplied via the live and neutral pins of the plug portion.
The transmitter is incorporated in a missile adapted to be thrown by hand at the television receiver without damaging the same. To this end, the missile preferably has the form of an externally soft ball, brick, cushion soft toy or the like. Thus, for example, the transmitter and associated circuitry, including, for example, electrical batteries to power the same, may be encapsulated within a rigid casing received within a cavity devised in a block or ball of soft plastics foam, which may, for example, be received within an outer decorative envelope of fabric, plastics film or the like. The transmitter includes, in addition to a means for transmitting the predetermined, for example, ultrasonic or radio signals to which the signal receiver will respond, a transducer, for example in the form of a trembler switch, which will provide an electrical signal when the missile is subjected to impact forces of the order which it will receive upon striking a wall or a television receiver or similar stationary object. The circuitry within the missile further incorporates means for detecting such an electrical signal produced by the trans- ducer and for causing the transmitter to transmit a corresponding signal for receipt by the signal receiver. In addition, as noted above, the encapsulated casing within the missile accommodates an electrical battery providing power for such circuitry.
In use, during normal viewing, the missile may simply be kept close to hand and may serve, for example, as a cushion or decorative furnishing. If, however, the tele¬ vision viewer is, for example, exasperated by a particular television transmission or by a political or other figure appearing thereon, he may simply throw the missile at the television receiver, causing the latter no damage ut causing the above-described unit to cut off the power supply to the receiver and thereby switch the latter off, as a consequence of the signal emitted by the missile upon impact with the receiver, or, if the missile has missed the receiver, the adjacent wall or furniture. Where the receiver circuit has the two-state characteristic described above, when it is desired once more to resume viewing, it is simply necessary to throw the missile once more at a point in the vicinity of the socket unit, or simply to drop the missile to cause it to emit a further signal to switch the receiver on again. Where the receiver circuit is arranged to return to its "on" state after a predetermined period, the receiver will, of course, be switched on again auto¬ matically at the end of that period. The duration of the predetermined period may be adjustable at will, as mentioned above.
It will be appreciated that the power supply control unit may take other forms, for example it may be adapted* to be connected in the electrical lead extending from the television receiver to the standard plug. Furthermore, a corresponding unit may be incorporated in the television receive'r itself, and ϊn the latter case may be arranged, for example, to change channels or effect some other form of control upon receipt of the appropriate signal rather than switching off entirely.
However, it is contemplated that the missile and the "adaptor" switching unit should be sold as a complete package for use with existing television receivers, as a novelty item.
In a further embodiment the missile is so formed as to reproduce, as accurately as possible, the visual appearance of a proprietary drinks can, such as a can of a well known branded soft drink or alcoholic beverage such as beer. To this end, the body of the missile, providing its exterior surface may be moulded in soft plastics foam having a smooth but flexible outer plastics skin appropriately painted or otherwise pigmented.
In further embodiments, the missile may be formed to reproduce, three dimensionally, the appearance of a manu¬ facturer's or trader's trade mark device, or of character or symbol used in an advertising campaign, for example. As a further possibility, the missile may be formed to reproduce the appearance of a house brick.
Furthermore, the missile, or the unit containing the receiver, may carry means for generating a sound upon impact of the missile, such as the sound of breaking glass. The sound generating means may be in the form of a purely mechanical device, housed in the missile, or may comprise, for example, an electronic signal generating device connected to an appropriate sound transducer. In the latter instance the electronic device may comprise a speech synthesising device arranged to generate a spoken message of one or more spoken words upon impact of the missile.
Referring to the drawings a transmitter circuit which may be incorporated in the soft missile or soft toy referred to above includes a monostable circuit incorporating PNP transistor Q2 and NPN transistor Q3, capacitor C1 and resistors R1, R3 and R4. When switched from its stable, quiescent state (herein referred to as its "off" state) to Its alternative state (herein referred to as its "on" state), the monostable circuit energises a crystal-con¬ trolled oscillator circuit incorporating a transistor Q4, crystal XI, inductor LI, resistors R5, R6 and R7 and capacitors C3 and C5« The output from the oscillator circuit is fed, via a capacitor C4, to a transmission antenna, which may, for example, simply comprise a suitable length of a thin flexible conductor extended within the brick, cushion, soft toy or the like. The monostable circuit can be triggered into its "on" state by closure of either of two switches SW1 and SW2 to temporarily earth the input I of the monostable circuit. The switches SW1 and SW2, connected in parallel with each other, are, where the transmitter is intended to be fitted within a missile to respond to impact forces, conveniently trembler switches physically arranged within the brick, cushion, doll or the like so as to be responsive to shocks acting in mutually perpendicular directions, to maximise the likelihood that at least one of the two switches will close during impact of the brick, cushion, doll or the like with a stationary object. It will be noted that when the monostable circuit is triggered into its "on" state, the effect is to apply for a brief period, to what is effectively the positive supply rail P of the oscillator circuit an energising potential, the duration of this period being determined, in known manner, by the values of the components in the monostable circuit.- Accordingly, the oscillator circuit will oscillate for the duration of the "on" period of the monostable and the antenna will radiate CW radio waves for a corresponding duration.
Considering Figure 2, the receiver circuit comprises a superhet receiver, the active components of which are incorporated in an integrated circuit 20 and a local oscillator circuit 22. IF filters 24 and 26 form an IF strip of the receiver. The receiver further comprises a detector comprising diodes D7, D8, resistor R14 and capacitors C13 and C14.
The input of the receiver, taking the form of a positive pulse of a duration corresponding to the period of the monostable in the transmitter, is applied on line 28 to an integrated counter circuit 30 which is so interconnected with diodes D1 to D5, capacitors C6 to C8 and resistors R8 to R11, that upon the appearance of a pulse on line 28 as a result of a signal being transmitted by the transmitter, the circuit 30 applies an output signal, on line 32, to the base of a driver transistor Q6, via resistor RIO, for a predetermined duration, so as to energise the coil 34 of a mains relay Kl having a first relay switch connected in the "live" power supply line to the television receiver or other appliance and a second relay switch connected in the "neutral" power supply line to the television receiver or other appliance. Consequently the relay drops out, terminating the supply of electricity to the television receiver or appliance for said predetermined duration.
The portion of the circuit including counter 30 is so arranged as to return to its normal "stand-by" condition at the end of said predetermined duration.
Where it is desired that the throwing of the brick, cushion, doll or the like should turn the television receiver or other appliance off for an indefinite period, the relay Kl may be replaced by an electromagnetically triggerable circuit breaker which, after it has been tripped will require a manual resetting operation to energise the apparatus again. With the illustrated arrangement using a mains relay, the apparatus such as television receiver may be arranged to be turned off only briefly upon operation of the'circuitry.

Claims

1. A means whereby an electrical or electrically operable appliance may be controlled remotely by means of indeter¬ minate mechanical inputs applied to a control device which is not easily damaged and which will not easily damage other items or injure persons or pets, for example.
2. Apparatus for controlling a television receiver or the like electrical appliance, comprising a unit adapted to be connected between an electrical power outlet and the television receiver or other appliance, for controlling the supply of electrical power to the appliance, .the unit incorporating a signal receiver and being arranged, on receipt, by said signal receiver, of a predetermined signal from a transmitter to cut off the supply of power to said appliance, said transmitter being incorporated in a missile adapted to be thrown by hand and being arranged to emit such a predetermined signal upon detection of impact of said missile with another body, by an impact detector also incorporated in the missile.
3- Apparatus according to claim 2 wherein said unit is arranged, when in a state to cut off the supply of power to said appliance, to change to a state in which it permits the supply of power to said appliance, upon receipt of a said signal by said signal receiver, and is arranged, when in said state to permit supply of power to the appliance, to change to a state in which it cuts off the supply of power to said appliance upon receipt of a said signal by said signal receiver.
4. Apparatus according to claim 2 wherein said unit and said transmitter are so arranged that, upon detection of impact of said missile with another body, the supply of electrical power to said appliance is cut off only for a predeter ined period.
5. Apparatus according to claim 4 including means whereby the duration of said period may be adjusted as described by the user.
6. Apparatus according to any of claims 2 to 5 wherein said missile is formed to resemble, visually, a drinks can, but has at least its outer surface provided by a soft shock absorbent material which will not cause damage upon impact.
7. Apparatus according to any of claims 2 to 5 including means in said missile or said unit arranged to produce a predetermined sound or audible signal upon such impact.
PCT/GB1989/000991 1988-08-26 1989-08-25 Apparatus for controlling a television receiver or the like WO1990002390A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888820362A GB8820362D0 (en) 1988-08-26 1988-08-26 Apparatus for controlling television receiver &c
GB8820362.5 1988-08-26

Publications (1)

Publication Number Publication Date
WO1990002390A1 true WO1990002390A1 (en) 1990-03-08

Family

ID=10642812

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1989/000991 WO1990002390A1 (en) 1988-08-26 1989-08-25 Apparatus for controlling a television receiver or the like

Country Status (3)

Country Link
AU (1) AU4204189A (en)
GB (1) GB8820362D0 (en)
WO (1) WO1990002390A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000042588A1 (en) * 1999-01-13 2000-07-20 Durand Limited Apparatus for controlling a television receiver or the like
EP3660803A1 (en) * 2018-11-30 2020-06-03 Audi Ag Cushioned remote control unit for a vehicle and system comprising both the control unit and the vehicle

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3161738A (en) * 1960-05-05 1964-12-15 William D Hall Switch adapted to rest on a table or other flat surface
US3161737A (en) * 1960-01-18 1964-12-15 William D Hall Inclination responsive electrical switch
US3423746A (en) * 1965-09-20 1969-01-21 Joel B Guin Inertial activator device
DE2231213A1 (en) * 1972-06-26 1974-01-17 Mihajlo Dipl Ing Vukuschitz ELECTRIC PRESSURE SWITCHES IN PARTICULAR AS TURNOVER SWITCHES, IN PARTICULAR AS CORD SWITCH FOR ELECTRICAL DEVICES
US4039789A (en) * 1975-02-17 1977-08-02 Daiko Electronics Co., Ltd. Theft protection sensor switch
DE3045715C2 (en) * 1980-12-04 1986-01-16 Loewe Opta Gmbh, 8640 Kronach Remotely controllable communications equipment
BE903665A (en) * 1985-11-19 1986-05-20 Tomtec N V S A Football ball kicker audio system for TV viewer - has micro-transmitter fixed inside ball and powered e.g. by piezoelectricity from kick shock wave
WO1988007246A1 (en) * 1987-03-13 1988-09-22 Scientific Applied Research (Sar) Plc Apparatus for controlling a television receiver or the like

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3161737A (en) * 1960-01-18 1964-12-15 William D Hall Inclination responsive electrical switch
US3161738A (en) * 1960-05-05 1964-12-15 William D Hall Switch adapted to rest on a table or other flat surface
US3423746A (en) * 1965-09-20 1969-01-21 Joel B Guin Inertial activator device
DE2231213A1 (en) * 1972-06-26 1974-01-17 Mihajlo Dipl Ing Vukuschitz ELECTRIC PRESSURE SWITCHES IN PARTICULAR AS TURNOVER SWITCHES, IN PARTICULAR AS CORD SWITCH FOR ELECTRICAL DEVICES
US4039789A (en) * 1975-02-17 1977-08-02 Daiko Electronics Co., Ltd. Theft protection sensor switch
DE3045715C2 (en) * 1980-12-04 1986-01-16 Loewe Opta Gmbh, 8640 Kronach Remotely controllable communications equipment
BE903665A (en) * 1985-11-19 1986-05-20 Tomtec N V S A Football ball kicker audio system for TV viewer - has micro-transmitter fixed inside ball and powered e.g. by piezoelectricity from kick shock wave
WO1988007246A1 (en) * 1987-03-13 1988-09-22 Scientific Applied Research (Sar) Plc Apparatus for controlling a television receiver or the like

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000042588A1 (en) * 1999-01-13 2000-07-20 Durand Limited Apparatus for controlling a television receiver or the like
EP3660803A1 (en) * 2018-11-30 2020-06-03 Audi Ag Cushioned remote control unit for a vehicle and system comprising both the control unit and the vehicle

Also Published As

Publication number Publication date
GB8820362D0 (en) 1988-09-28
AU4204189A (en) 1990-03-23

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