FR2326092A1 - Recepteur de fac-simile comportant un demodulateur de modulation de frequence perfectionne - Google Patents
Recepteur de fac-simile comportant un demodulateur de modulation de frequence perfectionneInfo
- Publication number
- FR2326092A1 FR2326092A1 FR7626263A FR7626263A FR2326092A1 FR 2326092 A1 FR2326092 A1 FR 2326092A1 FR 7626263 A FR7626263 A FR 7626263A FR 7626263 A FR7626263 A FR 7626263A FR 2326092 A1 FR2326092 A1 FR 2326092A1
- Authority
- FR
- France
- Prior art keywords
- simile
- fac
- frequency modulation
- receiver including
- modulation demodulator
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
- H04N1/40025—Circuits exciting or modulating particular heads for reproducing continuous tone value scales
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimiles In General (AREA)
- Facsimile Image Signal Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/617,105 US4022970A (en) | 1975-09-26 | 1975-09-26 | Facsimile receiver with improved FM demodulator |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2326092A1 true FR2326092A1 (fr) | 1977-04-22 |
Family
ID=24472276
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7626263A Withdrawn FR2326092A1 (fr) | 1975-09-26 | 1976-08-31 | Recepteur de fac-simile comportant un demodulateur de modulation de frequence perfectionne |
Country Status (8)
Country | Link |
---|---|
US (1) | US4022970A (fr) |
JP (1) | JPS5242317A (fr) |
CA (1) | CA1096484A (fr) |
DE (1) | DE2643057A1 (fr) |
FR (1) | FR2326092A1 (fr) |
GB (2) | GB1558345A (fr) |
IT (1) | IT1067787B (fr) |
NL (1) | NL7609671A (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4236523A (en) * | 1978-11-06 | 1980-12-02 | Medtronic, Inc. | Frequency to voltage converter for cardiac communication system |
US4716384A (en) * | 1984-05-01 | 1987-12-29 | Crosfield Electronics Limited | Modulators |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2251970A1 (fr) * | 1973-11-21 | 1975-06-13 | Exxon Research Engineering Co | |
FR2260905A1 (fr) * | 1974-02-07 | 1975-09-05 | Exxon Research Engineering Co |
-
1975
- 1975-09-26 US US05/617,105 patent/US4022970A/en not_active Expired - Lifetime
-
1976
- 1976-07-26 CA CA257,726A patent/CA1096484A/fr not_active Expired
- 1976-07-30 GB GB31880/76A patent/GB1558345A/en not_active Expired
- 1976-07-30 GB GB21084/76A patent/GB1558346A/en not_active Expired
- 1976-08-30 IT IT26660/76A patent/IT1067787B/it active
- 1976-08-31 FR FR7626263A patent/FR2326092A1/fr not_active Withdrawn
- 1976-08-31 NL NL7609671A patent/NL7609671A/xx not_active Application Discontinuation
- 1976-09-24 DE DE19762643057 patent/DE2643057A1/de not_active Withdrawn
- 1976-09-25 JP JP51115344A patent/JPS5242317A/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2251970A1 (fr) * | 1973-11-21 | 1975-06-13 | Exxon Research Engineering Co | |
US3911207A (en) * | 1973-11-21 | 1975-10-07 | Exxon Research Engineering Co | FM demodulator and control circuitry for a facsimile system |
FR2260905A1 (fr) * | 1974-02-07 | 1975-09-05 | Exxon Research Engineering Co | |
US3916098A (en) * | 1974-02-07 | 1975-10-28 | Exxon Research Engineering Co | Facsimile receiver with improved demodulator |
Non-Patent Citations (2)
Title |
---|
NV8140/73 * |
NV8164/73 * |
Also Published As
Publication number | Publication date |
---|---|
GB1558345A (en) | 1979-12-28 |
CA1096484A (fr) | 1981-02-24 |
NL7609671A (nl) | 1977-03-29 |
GB1558346A (en) | 1979-12-28 |
DE2643057A1 (de) | 1977-04-07 |
JPS5242317A (en) | 1977-04-01 |
IT1067787B (it) | 1985-03-16 |
US4022970A (en) | 1977-05-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |