NL177877C - Multifrequentiesignaalontvanger voor het omzetten van ontvangen multifrequentiesignalen in daarmee corresponderende besturingssignalen. - Google Patents

Multifrequentiesignaalontvanger voor het omzetten van ontvangen multifrequentiesignalen in daarmee corresponderende besturingssignalen.

Info

Publication number: NL177877C
Authority: NL; Netherlands
Prior art keywords: multifrequency; converting; signal receiver; corresponding control; control signals
Prior art date: 1974-09-12

Application number

NLAANVRAGE7510708,A

Other languages

English (en)

Dutch (nl)

Other versions

NL7510708A (nl

Original Assignee

Western Electric Co

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.)

1974-09-12

Filing date

1975-09-11

Publication date

1985-12-02

1975-09-11 Application filed by Western Electric Co filed Critical Western Electric Co

1976-03-16 Publication of NL7510708A publication Critical patent/NL7510708A/xx

1985-12-02 Application granted granted Critical

1985-12-02 Publication of NL177877C publication Critical patent/NL177877C/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
- H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
- H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
- H04Q1/457—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
- H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
- H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
- H04Q1/453—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling in which m-out-of-n signalling frequencies are transmitted

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Synchronisation In Digital Transmission Systems (AREA)
Electronic Switches (AREA)
Electric Clocks (AREA)

NLAANVRAGE7510708,A 1974-09-12 1975-09-11 Multifrequentiesignaalontvanger voor het omzetten van ontvangen multifrequentiesignalen in daarmee corresponderende besturingssignalen. NL177877C (nl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/505,204 US3936801A (en)	1974-09-12	1974-09-12	Multifrequency signal receiver timing circuit

Publications (2)

Publication Number	Publication Date
NL7510708A NL7510708A (nl)	1976-03-16
NL177877C true NL177877C (nl)	1985-12-02

Family

ID=24009425

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NLAANVRAGE7510708,A NL177877C (nl)	1974-09-12	1975-09-11	Multifrequentiesignaalontvanger voor het omzetten van ontvangen multifrequentiesignalen in daarmee corresponderende besturingssignalen.

Country Status (11)

Country	Link
US (1)	US3936801A (fr)
JP (1)	JPS5535037B2 (fr)
BE (1)	BE833155A (fr)
CA (1)	CA1035879A (fr)
CH (1)	CH600684A5 (fr)
DE (1)	DE2539804C3 (fr)
FR (1)	FR2285038A1 (fr)
GB (1)	GB1520887A (fr)
IT (1)	IT1047999B (fr)
NL (1)	NL177877C (fr)
SE (1)	SE7509780L (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4023105A (en) *	1975-08-25	1977-05-10	Rca Corporation	Counter type remote control receiver producing binary outputs correlated with numerical commands of a companion remote control transmitter
CA1031086A (fr) *	1976-03-03	1978-05-09	Northern Electric Company	Mode et appareil de traduction de signaux sur plusieurs frequences
US4076962A (en) *	1977-03-07	1978-02-28	Bell Telephone Laboratories, Incorporated	Method and apparatus for receiving disparate sequences of spaced tone bursts
US4091243A (en) *	1977-07-26	1978-05-23	Bell Telephone Laboratories, Incorporated	Multifrequency signal receiver
US4328398A (en) *	1979-05-22	1982-05-04	Oki Electric Industry Co., Ltd.	Digital multi-frequency receiver
US4385398A (en) *	1979-06-07	1983-05-24	Keith H. Wycoff	Selective call communication receiver
CA1290083C (fr) *	1987-06-10	1991-10-01	Grass Valley Group, Inc. (The)	Detecteur analogique de signaux de numerotation
US6473826B1 (en) *	1999-04-20	2002-10-29	Adaptec, Inc.	PCI delayed transaction time out counter and associated methods
US6751303B1 (en) *	2002-06-28	2004-06-15	Sprint Communications Company L.P.	Data communication over telephone voice channel using DTMF interface

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1138436B (de) *	1960-08-22	1962-10-25	Western Electric Co	Signalempfaenger fuer Fernmelde-, insbesondere Fernsprechanlagen
US3281790A (en) *	1963-04-01	1966-10-25	Bell Telephone Labor Inc	Multifrequency signaling receiver circuit
FR1339209A (fr) *	1963-04-06	1963-10-04	Int Standard Electric Corp	Récepteur à fréquences vocales
US3288940A (en) *	1963-10-24	1966-11-29	Automatic Elect Lab	Multifrequency signal receiver
US3718918A (en) *	1969-12-01	1973-02-27	Atomic Energy Authority Uk	Nuclear explosion detection systems
FR2127450A5 (fr) *	1971-03-03	1972-10-13	Ibm France
DE2116635C3 (de) *	1971-04-05	1978-10-05	Ibm Deutschland Gmbh, 7000 Stuttgart	Verfahren zur digitalen Decodierung frequenzcodierter Signale und Schaltungsanordnung zur Durchführung des Verfahrens
DE2156123C2 (de) *	1971-11-11	1978-11-30	Siemens Ag, 1000 Berlin U. 8000 Muenchen	Frequenzselektiver Zeichenempfänger für Fernmelde-, insbesondere Fernsprechanlagen
FR2207626A6 (fr) *	1972-10-25	1974-06-14	Ibm France
US3818358A (en) *	1972-12-29	1974-06-18	Stromberg Carlson Corp	Noise rejection circuit for digital systems
DE2334426A1 (de) *	1973-07-06	1975-01-23	Telefonbau & Normalzeit Gmbh	Auswerter fuer sprachgeschuetzte frequenzselektive zeichenempfaenger nach dem mehrfrequenzverfahren

1974
- 1974-09-12 US US05/505,204 patent/US3936801A/en not_active Expired - Lifetime
1975
- 1975-07-07 CA CA230,872A patent/CA1035879A/fr not_active Expired
- 1975-09-03 SE SE7509780A patent/SE7509780L/xx unknown
- 1975-09-05 GB GB36740/75A patent/GB1520887A/en not_active Expired
- 1975-09-06 DE DE2539804A patent/DE2539804C3/de not_active Expired
- 1975-09-08 BE BE159811A patent/BE833155A/fr not_active IP Right Cessation
- 1975-09-11 IT IT69269/75A patent/IT1047999B/it active
- 1975-09-11 NL NLAANVRAGE7510708,A patent/NL177877C/xx not_active IP Right Cessation
- 1975-09-11 CH CH1177575A patent/CH600684A5/xx not_active IP Right Cessation
- 1975-09-11 FR FR7527912A patent/FR2285038A1/fr active Granted
- 1975-09-12 JP JP11084675A patent/JPS5535037B2/ja not_active Expired

Also Published As

Publication number	Publication date
FR2285038B1 (fr)	1980-05-16
BE833155A (fr)	1975-12-31
JPS5535037B2 (fr)	1980-09-11
SE7509780L (sv)	1976-03-15
DE2539804A1 (de)	1976-04-01
CH600684A5 (fr)	1978-06-30
GB1520887A (en)	1978-08-09
FR2285038A1 (fr)	1976-04-09
NL7510708A (nl)	1976-03-16
JPS5154707A (fr)	1976-05-14
CA1035879A (fr)	1978-08-01
US3936801A (en)	1976-02-03
DE2539804C3 (de)	1983-02-10
IT1047999B (it)	1980-10-20
DE2539804B2 (de)	1979-09-13

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Legal Events

Date	Code	Title
1980-04-25	BC	A request for examination has been filed
1985-01-01	A85	Still pending on 85-01-01
1994-05-16	V1	Lapsed because of non-payment of the annual fee