CH547594A - Schaltungsanordnung fuer einen mehrfrequenzcodesignalempfaenger. - Google Patents

Schaltungsanordnung fuer einen mehrfrequenzcodesignalempfaenger.

Info

Publication number: CH547594A
Authority: CH; Switzerland
Prior art keywords: circuit arrangement; signal receiver; code signal; frequency code; frequency
Prior art date: 1970-12-23

Application number

CH1861571A

Other languages

German (de)

English (en)

Original Assignee

Int Standard Electric Corp

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.)

1970-12-23

Filing date

1971-12-21

Publication date

1974-03-29

1971-12-21 Application filed by Int Standard Electric Corp filed Critical Int Standard Electric Corp

1974-03-29 Publication of CH547594A publication Critical patent/CH547594A/xx

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
- H03H11/12—Frequency selective two-port networks using amplifiers with feedback
- H03H11/126—Frequency selective two-port networks using amplifiers with feedback using a single operational amplifier
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
- H03H11/12—Frequency selective two-port networks using amplifiers with feedback
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/01—Shaping pulses
- H03K5/08—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding
- 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)
Physics & Mathematics (AREA)
Nonlinear Science (AREA)
Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Amplifiers (AREA)
Networks Using Active Elements (AREA)
Monitoring And Testing Of Transmission In General (AREA)

CH1861571A 1970-12-23 1971-12-21 Schaltungsanordnung fuer einen mehrfrequenzcodesignalempfaenger. CH547594A (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US10095170A	1970-12-23	1970-12-23
US10095070A	1970-12-23	1970-12-23

Publications (1)

Publication Number	Publication Date
CH547594A true CH547594A (de)	1974-03-29

Family

ID=26797737

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH1861571A CH547594A (de)	1970-12-23	1971-12-21	Schaltungsanordnung fuer einen mehrfrequenzcodesignalempfaenger.

Country Status (10)

Country	Link
US (2)	US3743945A (xx)
AU (1)	AU3645371A (xx)
BE (1)	BE777085A (xx)
CA (1)	CA943278A (xx)
CH (1)	CH547594A (xx)
DE (1)	DE2163276A1 (xx)
ES (1)	ES398233A1 (xx)
FR (1)	FR2119029B1 (xx)
GB (1)	GB1341468A (xx)
NL (1)	NL7117637A (xx)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2141502B1 (xx) *	1971-06-01	1973-06-29	Ibm France
CA976675A (en) *	1972-10-16	1975-10-21	Microsystems International Limited	Dual tone receiver
US3780230A (en) *	1972-11-10	1973-12-18	Bell Telephone Labor Inc	Multifrequency tone receiver
US3845249A (en) *	1973-03-09	1974-10-29	Itt	Multi-frequency receiver
DE2409888C2 (de) *	1973-03-09	1982-08-12	International Standard Electric Corp., 10022 New York, N.Y.	Schaltungsanordnung zum Umformen von sinusförmigen Eingangssignalen in rechteckförmige Ausgangssignale
US3912869A (en) *	1973-11-21	1975-10-14	Tel Tone Corp	Multifrequency-to-digital converter
FR2272549A1 (en) *	1974-05-21	1975-12-19	Gabry Andre	Frequency coded signal receiving and decoding device - has channels with fixed frequency and converting circuits
CA1031086A (en) *	1976-03-03	1978-05-09	Northern Electric Company	Method and apparatus for translating multiple frequency signalling
JPS6052380B2 (ja) *	1977-12-20	1985-11-19	日本電気株式会社	両極性電圧検出回路
US4524291A (en) *	1983-01-06	1985-06-18	Motorola, Inc.	Transition detector circuit
GB8716144D0 (en) *	1987-07-09	1987-08-12	British Aerospace	Comparator circuits
JPH03132291A (ja) *	1989-10-18	1991-06-05	Fujitsu Ltd	Ｐｂ信号検出方式
DE4407054C2 (de) *	1994-03-03	1999-11-18	Philips Patentverwaltung	Schaltungsanordnung zur Umformung von sinusförmigen Signalen in rechteckförmige Signale
US5488323A (en) *	1994-12-14	1996-01-30	United Technologies Corporation	True hysteresis window comparator for use in monitoring changes in switch resistance
US5638435A (en) *	1995-05-12	1997-06-10	Telefonaktiebolaget Lm Ericsson	Impulse signal convertor
US5821790A (en) *	1996-04-24	1998-10-13	Paragon Electric Company, Inc.	Power line synchronization conditioner

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3108258A (en) *	1960-07-12	1963-10-22	Square D Co	Electronic circuit
NL267564A (xx) *	1960-08-22
US3140357A (en) *	1962-06-28	1964-07-07	Bell Telephone Labor Inc	Multifrequency receiver
BE634162A (xx) *	1962-07-05
US3288940A (en) *	1963-10-24	1966-11-29	Automatic Elect Lab	Multifrequency signal receiver
NL6407780A (xx) *	1964-07-09	1966-01-10
US3408581A (en) *	1965-08-26	1968-10-29	North American Rockwell	Digital suppressed carrier demodulator
US3571523A (en) *	1966-12-03	1971-03-16	Int Standard Electric Corp	Receiving device for distinguishing supervisory signals for other audiofrequency signals
US3497723A (en) *	1967-04-25	1970-02-24	Eastman Kodak Co	Squaring circuit
US3539731A (en) *	1968-11-05	1970-11-10	Bell Telephone Labor Inc	Multifrequency signal receiver

1970
- 1970-12-23 US US00100951A patent/US3743945A/en not_active Expired - Lifetime
- 1970-12-23 US US00100950A patent/US3710031A/en not_active Expired - Lifetime
1971
- 1971-12-02 AU AU36453/71A patent/AU3645371A/en not_active Expired
- 1971-12-16 GB GB5843171A patent/GB1341468A/en not_active Expired
- 1971-12-20 DE DE19712163276 patent/DE2163276A1/de active Pending
- 1971-12-21 CH CH1861571A patent/CH547594A/xx not_active IP Right Cessation
- 1971-12-22 CA CA130,876A patent/CA943278A/en not_active Expired
- 1971-12-22 ES ES398233A patent/ES398233A1/es not_active Expired
- 1971-12-22 BE BE777085A patent/BE777085A/xx unknown
- 1971-12-22 NL NL7117637A patent/NL7117637A/xx unknown
- 1971-12-23 FR FR7146278A patent/FR2119029B1/fr not_active Expired

Also Published As

Publication number	Publication date
DE2163276A1 (de)	1972-07-27
GB1341468A (en)	1973-12-19
AU3645371A (en)	1973-06-07
BE777085A (xx)	1972-06-22
FR2119029B1 (xx)	1976-06-04
NL7117637A (xx)	1972-06-27
ES398233A1 (es)	1975-05-01
US3743945A (en)	1973-07-03
US3710031A (en)	1973-01-09
FR2119029A1 (xx)	1972-08-04
CA943278A (en)	1974-03-05

Publication	Publication Date	Title
CH547594A (de)	1974-03-29	Schaltungsanordnung fuer einen mehrfrequenzcodesignalempfaenger.
NL181065C (nl)	1987-06-01	Signaalversterkingsschakeling.
DK137159B (da)	1978-01-23	Fjernsynsmodtager.
NL173466C (nl)	1984-01-16	Fm-ontvanger.
NL166379C (nl)	1981-07-15	Radiotelefoonstelsel.
FI49527C (fi)	1975-07-10	Vyö.
ES198369Y (es)	1975-11-01	Estructura a base de elementos acoplables.
IT970156B (it)	1974-04-10	Disposizione circuitale per la soppressione di disturbi per un ricevitore radar
NL169254C (nl)	1982-06-16	Televisieontvanger.
CH557627A (de)	1974-12-31	Horizontalablenkschaltung fuer fernsehempfaenger.
DK135259B (da)	1977-03-21	Afmagnetiseringskredsløb for en fjernsynsmodtager.
DK127145B (da)	1973-09-24	Klemtilslutningsforbindelse.
CH558655A (de)	1975-02-14	Dopplersignalempfaenger.
NL176515C (nl)	1985-04-16	Superheterodyne-ontvanger.
ES159450Y (es)	1972-04-01	Un dispositivo de conexion.
NL152712B (nl)	1977-03-15	U.h.f.-antenne.
CH504145A (de)	1971-02-28	Mehrfrequenz-Signalisierungsempfänger
CH550524A (de)	1974-06-14	Dekodierschaltung fuer einen mehrnormen-empfaenger.
NL186937C (nl)	1991-04-02	Signaalversterkingsschakeling.
ES140247Y (es)	1969-06-16	Un elemento de emborne.
AT263091B (de)	1968-07-10	Multitonkodesignalempfänger
NO136270C (no)	1977-08-17	Signalsendende anordning.
NL150633B (nl)	1976-08-16	Uhf-afsteminrichting.
NL145810B (nl)	1975-05-15	Stootbok.
ES136303Y (es)	1968-12-01	Un muneco mecanico.

Legal Events

Date	Code	Title	Description
1983-08-31	PL	Patent ceased