FR64851E - Système de modulation d'impulsions pour radiocommunications - Google Patents

Système de modulation d'impulsions pour radiocommunications

Info

Publication number: FR64851E
Authority: FR; France
Prior art keywords: modulation system; radio communications; pulse modulation; pulse; communications
Prior art date: 1942-08-24
Legal status (The legal status 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 status listed.): Expired

Application number

Other languages

English (en)

Inventor

Emile Labin

Donald David Grieg

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

International Standard Electric Corp

Original Assignee

International 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.)

1942-08-24

Filing date

1947-08-07

Publication date

1955-12-14

1947-08-07 Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp

1955-12-14 Application granted granted Critical

1955-12-14 Publication of FR64851E publication Critical patent/FR64851E/fr

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/026—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse time characteristics modulation, e.g. width, position, interval
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/08—Duration or width modulation ; Duty cycle modulation

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Amplifiers (AREA)
Selective Calling Equipment (AREA)
Amplitude Modulation (AREA)

FR64851D 1942-08-24 1947-08-07 Système de modulation d'impulsions pour radiocommunications Expired FR64851E (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US455898A US2434936A (en)	1942-08-24	1942-08-24	Modulation system

Publications (1)

Publication Number	Publication Date
FR64851E true FR64851E (fr)	1955-12-14

Family

ID=23810687

Family Applications (5)

Application Number	Title	Priority Date	Filing Date
FR58652D Expired FR58652E (fr)	1942-08-24	1947-08-05	Systèmes de modulation d'impulsions pour radiocommunications
FR951003D Expired FR951003A (fr)	1942-08-24	1947-08-05	Systèmes de modulation d'impulsions pour radiocommunications
FR64852D Expired FR64852E (fr)	1942-08-24	1947-08-07	Système de modulation d'impulsions pour radiocommunications
FR64851D Expired FR64851E (fr)	1942-08-24	1947-08-07	Système de modulation d'impulsions pour radiocommunications
FR65451D Expired FR65451E (fr)	1942-08-24	1948-02-27	Systèmes de modulation d'impulsions pour radiocommunications

Family Applications Before (3)

Application Number	Title	Priority Date	Filing Date
FR58652D Expired FR58652E (fr)	1942-08-24	1947-08-05	Systèmes de modulation d'impulsions pour radiocommunications
FR951003D Expired FR951003A (fr)	1942-08-24	1947-08-05	Systèmes de modulation d'impulsions pour radiocommunications
FR64852D Expired FR64852E (fr)	1942-08-24	1947-08-07	Système de modulation d'impulsions pour radiocommunications

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
FR65451D Expired FR65451E (fr)	1942-08-24	1948-02-27	Systèmes de modulation d'impulsions pour radiocommunications

Country Status (5)

Country	Link
US (1)	US2434936A (fr)
BE (2)	BE474798A (fr)
ES (1)	ES182397A1 (fr)
FR (5)	FR58652E (fr)
GB (1)	GB592584A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2578939A (en) *	1948-03-01	1951-12-18	Moran Instr Corp	Telemetering
US2572900A (en) *	1948-03-22	1951-10-30	Motorola Inc	Audio compression system
US2550878A (en) *	1948-11-19	1951-05-01	Hans H Staub	Pulsing circuit
US3063053A (en) *	1957-03-29	1962-11-06	Sun Oil Co	Seismic recording and reproducing methods, apparatus and records
US3225309A (en) *	1963-12-05	1965-12-21	John H Phelps	Pulse wave generator with independent control of pulse repetition frequency and duty cycle

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1655543A (en) *	1924-04-18	1928-01-10	Western Electric Co	Transmission system
US2061734A (en) *	1934-09-29	1936-11-24	Rca Corp	Signaling system
US2086918A (en) *	1935-08-22	1937-07-13	Rca Corp	Method of frequency or phase modulation
US2105538A (en) *	1936-04-29	1938-01-18	Rca Corp	Reduction of noise
US2113214A (en) *	1936-10-29	1938-04-05	Rca Corp	Method of frequency or phase modulation
NL91748C (fr) *	1938-02-16
US2227596A (en) *	1938-03-31	1941-01-07	Rca Corp	Signaling system
US2280707A (en) *	1940-05-31	1942-04-21	Rca Corp	Apparatus for and method of frequency modulating
US2266541A (en) *	1940-10-02	1941-12-16	Rca Corp	Limiter output control

0
- BE BE479419D patent/BE479419A/xx unknown
- BE BE474798D patent/BE474798A/xx unknown
1942
- 1942-08-24 US US455898A patent/US2434936A/en not_active Expired - Lifetime
1944
- 1944-06-05 GB GB10821/44A patent/GB592584A/en not_active Expired
1947
- 1947-08-05 FR FR58652D patent/FR58652E/fr not_active Expired
- 1947-08-05 FR FR951003D patent/FR951003A/fr not_active Expired
- 1947-08-07 FR FR64852D patent/FR64852E/fr not_active Expired
- 1947-08-07 FR FR64851D patent/FR64851E/fr not_active Expired
1948
- 1948-02-16 ES ES0182397A patent/ES182397A1/es not_active Expired
- 1948-02-27 FR FR65451D patent/FR65451E/fr not_active Expired

Also Published As

Publication number	Publication date
FR65451E (fr)	1956-02-21
FR58652E (fr)	1954-03-02
GB592584A (en)	1947-09-23
BE479419A (fr)
FR64852E (fr)	1955-12-14
US2434936A (en)	1948-01-27
ES182397A1 (es)	1948-04-16
BE474798A (fr)
FR951003A (fr)	1949-10-13

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