FR1000353A - Perfectionnements aux systèmes récepteurs d'ondes porteuses radio-électriques modulées - Google Patents

Perfectionnements aux systèmes récepteurs d'ondes porteuses radio-électriques modulées

Info

Publication number
FR1000353A
FR1000353A FR1000353DA FR1000353A FR 1000353 A FR1000353 A FR 1000353A FR 1000353D A FR1000353D A FR 1000353DA FR 1000353 A FR1000353 A FR 1000353A
Authority
FR
France
Prior art keywords
carrier wave
wave receiver
modulated radio
electric carrier
receiver systems
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co Ltd
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 Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Application granted granted Critical
Publication of FR1000353A publication Critical patent/FR1000353A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/54—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements of vacuum tubes
    • 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
    • H04B7/0802—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 antenna selection
    • H04B7/0817—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 antenna selection with multiple receivers and antenna path selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0602—Systems characterised by the synchronising information used
    • H04J3/0617—Systems characterised by the synchronising information used the synchronising signal being characterised by the frequency or phase

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Burglar Alarm Systems (AREA)
FR1000353D 1945-10-18 1949-11-25 Perfectionnements aux systèmes récepteurs d'ondes porteuses radio-électriques modulées Expired FR1000353A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US623127A US2480582A (en) 1945-10-18 1945-10-18 Synchronizing pulse gating system

Publications (1)

Publication Number Publication Date
FR1000353A true FR1000353A (fr) 1952-02-11

Family

ID=22045460

Family Applications (2)

Application Number Title Priority Date Filing Date
FR934838D Expired FR934838A (fr) 1945-10-18 1946-10-15 Système sélecteur d'impulsions
FR1000353D Expired FR1000353A (fr) 1945-10-18 1949-11-25 Perfectionnements aux systèmes récepteurs d'ondes porteuses radio-électriques modulées

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR934838D Expired FR934838A (fr) 1945-10-18 1946-10-15 Système sélecteur d'impulsions

Country Status (4)

Country Link
US (1) US2480582A (fr)
FR (2) FR934838A (fr)
GB (1) GB628833A (fr)
NL (1) NL76845C (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2664509A (en) * 1948-01-09 1953-12-29 Rca Corp Pulse multiplex communication system
GB672195A (en) * 1948-09-06 1952-05-14 John Edward Cope Waveform shaping circuit
US2632050A (en) * 1950-04-03 1953-03-17 Avco Mfg Corp Keyed automatic frequency control system for television receivers
NL90820C (fr) * 1951-04-30
US2833853A (en) * 1952-10-24 1958-05-06 Motorola Inc Color television
US2833919A (en) * 1953-03-05 1958-05-06 Collins Radio Co Jitter alleviating system for a scope
NL192417A (fr) * 1953-11-18
US3720933A (en) * 1971-07-06 1973-03-13 Dutton H Signaling system with signal level differentiation
CN120446834B (zh) * 2025-07-08 2025-09-23 华中科技大学 脉冲强磁背景场下超导带材临界电流检测系统及控制方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2141343A (en) * 1935-06-07 1938-12-27 Philco Radio & Television Corp Electrical system
GB471731A (en) * 1935-12-04 1937-09-06 Eric Lawrence Casling White Improvements in and relating to pulse-operated thermionic valve apparatus, such for example as frequency dividers, electrical counting arrangements and the like
US2199634A (en) * 1938-06-21 1940-05-07 Rca Corp Secret communication system
US2300999A (en) * 1940-10-30 1942-11-03 Westinghouse Electric & Mfg Co Electromagnetic inspection system
US2406019A (en) * 1941-04-01 1946-08-20 Int Standard Electric Corp Pulse modulation system
US2359447A (en) * 1942-06-20 1944-10-03 Rca Corp Electrical circuit
US2416305A (en) * 1942-09-18 1947-02-25 Standard Telephones Cables Ltd Radio receiver
US2399135A (en) * 1943-10-05 1946-04-23 Rca Corp Frequency divider

Also Published As

Publication number Publication date
FR934838A (fr) 1948-06-02
GB628833A (en) 1949-09-06
NL76845C (fr) 1955-01-15
US2480582A (en) 1949-08-30

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