JPS508631B1 - - Google Patents
Info
- Publication number
- JPS508631B1 JPS508631B1 JP45027775A JP2777570A JPS508631B1 JP S508631 B1 JPS508631 B1 JP S508631B1 JP 45027775 A JP45027775 A JP 45027775A JP 2777570 A JP2777570 A JP 2777570A JP S508631 B1 JPS508631 B1 JP S508631B1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/12—Modulator circuits; Transmitter circuits
- H04L27/122—Modulator circuits; Transmitter circuits using digital generation of carrier signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Time-Division Multiplex Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US81189469A | 1969-04-01 | 1969-04-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS508631B1 true JPS508631B1 (ja) | 1975-04-05 |
Family
ID=25207881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP45027775A Pending JPS508631B1 (ja) | 1969-04-01 | 1970-04-01 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3614624A (ja) |
| JP (1) | JPS508631B1 (ja) |
| BE (1) | BE748282A (ja) |
| BR (1) | BR7017851D0 (ja) |
| CA (1) | CA937332A (ja) |
| CH (1) | CH516264A (ja) |
| FR (1) | FR2044710A1 (ja) |
| GB (1) | GB1258873A (ja) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3746787A (en) * | 1970-12-03 | 1973-07-17 | Gte Automatic Electric Lab Inc | Digital method of generating a continuous phase fsk linesignal in response to an asynchronous binary input signal |
| US3752922A (en) * | 1971-12-09 | 1973-08-14 | Honeywell Inf Systems | Crystal controlled frequency shift keying synchronous generating system |
| US3832637A (en) * | 1973-06-22 | 1974-08-27 | Teletype Corp | Fsk modem |
| DE59100649D1 (de) * | 1990-04-24 | 1994-01-13 | Ciba Geigy | Verfahren zur Herstellung von Kontaklinsen. |
| US6185264B1 (en) * | 1997-12-17 | 2001-02-06 | Ove Kris Gashus | Apparatus and method for frequency shift keying |
| DE10300267B4 (de) * | 2003-01-08 | 2006-01-05 | Infineon Technologies Ag | Demodulation eines frequenzmodulierten Empfangssignals durch Abbilden der Nulldurchgänge auf eine Folge von Parameterwerten |
| TWI441066B (zh) * | 2010-12-01 | 2014-06-11 | Delta Electronics Inc | 電容式觸控裝置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE638037A (ja) * | 1962-10-01 | |||
| US3417332A (en) * | 1965-02-11 | 1968-12-17 | Nasa | Frequency shift keying apparatus |
| US3493679A (en) * | 1966-09-22 | 1970-02-03 | Ibm | Phase synchronizer for a data receiver |
| US3518552A (en) * | 1968-03-27 | 1970-06-30 | Motorola Inc | Multi-frequency signal generation |
-
1969
- 1969-04-01 US US811894A patent/US3614624A/en not_active Expired - Lifetime
-
1970
- 1970-01-27 CA CA073246A patent/CA937332A/en not_active Expired
- 1970-03-24 GB GB1258873D patent/GB1258873A/en not_active Expired
- 1970-03-31 BR BR217851/70A patent/BR7017851D0/pt unknown
- 1970-03-31 FR FR7011378A patent/FR2044710A1/fr not_active Withdrawn
- 1970-04-01 BE BE748282D patent/BE748282A/xx unknown
- 1970-04-01 JP JP45027775A patent/JPS508631B1/ja active Pending
- 1970-04-01 CH CH484370A patent/CH516264A/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB1258873A (ja) | 1971-12-30 |
| DE2014256A1 (de) | 1970-10-08 |
| DE2014256B2 (de) | 1971-03-11 |
| US3614624A (en) | 1971-10-19 |
| BE748282A (fr) | 1970-09-16 |
| CH516264A (de) | 1971-11-30 |
| CA937332A (en) | 1973-11-20 |
| BR7017851D0 (pt) | 1973-04-17 |
| FR2044710A1 (ja) | 1971-02-26 |