FR938485A - Appareil de signalisation - Google Patents

Appareil de signalisation

Info

Publication number
FR938485A
FR938485A FR938485DA FR938485A FR 938485 A FR938485 A FR 938485A FR 938485D A FR938485D A FR 938485DA FR 938485 A FR938485 A FR 938485A
Authority
FR
France
Prior art keywords
signaling device
signaling
Prior art date
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)
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Application granted granted Critical
Publication of FR938485A publication Critical patent/FR938485A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Amplifiers (AREA)
FR938485D 1945-12-05 1946-12-05 Appareil de signalisation Expired FR938485A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US632978A US2515668A (en) 1945-12-05 1945-12-05 Gating circuit for diversity receivers

Publications (1)

Publication Number Publication Date
FR938485A true FR938485A (fr) 1948-09-16

Family

ID=24537785

Family Applications (1)

Application Number Title Priority Date Filing Date
FR938485D Expired FR938485A (fr) 1945-12-05 1946-12-05 Appareil de signalisation

Country Status (4)

Country Link
US (1) US2515668A (fr)
BE (1) BE469690A (fr)
FR (1) FR938485A (fr)
GB (1) GB635263A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735003A (en) * 1956-02-14 Receiver for multiplex signals
ES177902A1 (es) * 1946-03-12 1947-06-16 Rca Corp Un sistema de comunicacion de frecuencia ultraalta
US2685643A (en) * 1948-12-08 1954-08-03 Fisk Bert Dual-diversity receiving system
BE498160A (fr) * 1949-09-17
US2644885A (en) * 1951-02-27 1953-07-07 Rca Corp Diversity gating system
US2725467A (en) * 1951-09-12 1955-11-29 Rca Corp Gate control circuit
US3166711A (en) * 1961-02-24 1965-01-19 Agrelius Kelton Casper Dual diversity switching unit
US3831095A (en) * 1973-03-26 1974-08-20 G Mounce Receiver system having multiple contributing channels
US5375259A (en) * 1992-02-20 1994-12-20 Lee; Denny L. Y. Analog signal noise reduction process and apparatus
US5859880A (en) * 1996-10-31 1999-01-12 Telefonaktiebolaget Lm Ericsson (Publ) Multi-stage squelch apparatus, and associated method, for a multi-branch receiver

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1792312A (en) * 1930-03-05 1931-02-10 Gen Electric Radiotransmission of facsimiles
GB480289A (en) * 1937-03-09 1938-02-21 Cable & Wireless Ltd Improvements relating to wireless telegraph systems
US2270449A (en) * 1938-11-01 1942-01-20 Rca Corp Electrical phase shifting device
BE475939A (fr) * 1939-05-19
US2253832A (en) * 1939-10-14 1941-08-26 Rca Corp Signaling
US2282526A (en) * 1940-06-29 1942-05-12 Rca Corp Selector for diversity receiving systems
US2253867A (en) * 1940-08-23 1941-08-26 Rca Corp Diversity receiving system
US2447057A (en) * 1943-05-06 1948-08-17 Rca Corp Diversity receiving system
US2383126A (en) * 1943-07-08 1945-08-21 Rca Corp Spaced wave keying
US2414111A (en) * 1944-03-22 1947-01-14 Rca Corp Diversity receiving system
NL79786C (fr) * 1944-05-23

Also Published As

Publication number Publication date
BE469690A (fr)
GB635263A (en) 1950-04-05
US2515668A (en) 1950-07-18

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