FR791663A - Improvements to television receivers - Google Patents
Improvements to television receiversInfo
- Publication number
- FR791663A FR791663A FR791663DA FR791663A FR 791663 A FR791663 A FR 791663A FR 791663D A FR791663D A FR 791663DA FR 791663 A FR791663 A FR 791663A
- Authority
- FR
- France
- Prior art keywords
- television receivers
- receivers
- television
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/50—Tuning indicators; Automatic tuning control
- H04N5/505—Invisible or silent tuning
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/22—Automatic control in amplifiers having discharge tubes
- H03G3/26—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise, e.g. squelch systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Receiver Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US732759A US2056607A (en) | 1934-06-28 | 1934-06-28 | Sound and television receiver |
Publications (1)
Publication Number | Publication Date |
---|---|
FR791663A true FR791663A (en) | 1935-12-14 |
Family
ID=24944844
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR791663D Expired FR791663A (en) | 1934-06-28 | 1935-06-24 | Improvements to television receivers |
Country Status (4)
Country | Link |
---|---|
US (1) | US2056607A (en) |
DE (1) | DE709505C (en) |
FR (1) | FR791663A (en) |
NL (1) | NL44165C (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2516889A (en) * | 1939-06-03 | 1950-08-01 | Standard Telephones Cables Ltd | Converter system |
US2538040A (en) * | 1943-05-01 | 1951-01-16 | Arthur C Prichard | Interference reduction circuit for radio pulse receivers |
NL74381C (en) * | 1944-07-13 | |||
US2505843A (en) * | 1945-06-04 | 1950-05-02 | Philco Corp | Television receiver |
US2498488A (en) * | 1946-06-14 | 1950-02-21 | Gen Electric | Television intercarrier or sound receiver circuit |
FR957435A (en) * | 1946-06-26 | 1950-02-20 | ||
US2580903A (en) * | 1947-06-02 | 1952-01-01 | Rca Corp | Color television system |
US2562703A (en) * | 1947-12-26 | 1951-07-31 | Gen Electric | Multiple channel radio receiving system |
US2700753A (en) * | 1948-06-28 | 1955-01-25 | Phillips Petroleum Co | Method of and apparatus for seismic prospecting |
US2632800A (en) * | 1949-03-26 | 1953-03-24 | Motorola Inc | Noise squelch system for television receivers |
US2684402A (en) * | 1949-12-31 | 1954-07-20 | Stromberg Carlson Co | Dual-purpose carrier-wave receiver |
US2744961A (en) * | 1950-07-01 | 1956-05-08 | Hartford Nat Bank & Trust Co | Receiver for two amplitude-modulated waves |
US2602855A (en) * | 1950-09-30 | 1952-07-08 | Avco Mfg Corp | Television receiver squelching circuit |
DE928473C (en) * | 1951-04-05 | 1955-06-02 | Blaupunkt Werke Gmbh | Television receiver |
US2912490A (en) * | 1953-11-06 | 1959-11-10 | Louis W Parker | Tuning indicator and muter for television receivers |
-
1934
- 1934-06-28 US US732759A patent/US2056607A/en not_active Expired - Lifetime
-
1935
- 1935-06-24 FR FR791663D patent/FR791663A/en not_active Expired
- 1935-06-27 NL NL44165D patent/NL44165C/xx active
- 1935-06-28 DE DER93671D patent/DE709505C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL44165C (en) | 1938-05-16 |
US2056607A (en) | 1936-10-06 |
DE709505C (en) | 1941-08-20 |
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