BE642239A - - Google Patents
Info
- Publication number
- BE642239A BE642239A BE642239DA BE642239A BE 642239 A BE642239 A BE 642239A BE 642239D A BE642239D A BE 642239DA BE 642239 A BE642239 A BE 642239A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/26—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
- H03K3/28—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback
- H03K3/281—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator
- H03K3/282—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator astable
- H03K3/2823—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator astable using two active transistor of the same conductivity type
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US253375A US3204200A (en) | 1963-01-23 | 1963-01-23 | Self-starting astable multivibrator modulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE642239A true BE642239A (nl) | 1964-05-04 |
Family
ID=22960003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE642239D BE642239A (nl) | 1963-01-23 | 1964-01-08 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3204200A (nl) |
| BE (1) | BE642239A (nl) |
| DE (1) | DE1218506C2 (nl) |
| GB (1) | GB1063490A (nl) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3292105A (en) * | 1963-09-17 | 1966-12-13 | Texas Instruments Inc | Astable multivibrator circuits employing auxiliary discharge paths for cross couplingcapacitors |
| US3334315A (en) * | 1963-11-29 | 1967-08-01 | Ampex | Transistorized multivibrator modulator with starting circuit |
| US3263189A (en) * | 1963-12-16 | 1966-07-26 | Ampex | Multivibrator frequency modulator |
| US3327301A (en) * | 1964-01-20 | 1967-06-20 | Reich Marvin | Multivibrators for conversion of analog voltages to a coded group of pulses |
| US3333213A (en) * | 1964-11-27 | 1967-07-25 | Bunker Ramo | Voltage controlled variable frequency oscillator having means for insuring proper starting of oscillations |
| US3380002A (en) * | 1965-09-07 | 1968-04-23 | Navy Usa | Sure-starting astable multivibrator circuit |
| DE1270099B (de) * | 1965-09-21 | 1968-06-12 | Telefunken Patent | Schaltungsanordnung zum Aussenden von impulskodierten Nachrichten, insbesondere von Impulstelegrammen der Fernwirktechnik, mittels einer umtastbaren Traegerwellenschwingung |
| US3793486A (en) * | 1968-12-11 | 1974-02-19 | L Koziol | Data set system employing active filters and multivibrator timing |
| NL7115805A (nl) * | 1971-11-17 | 1973-05-21 | ||
| DE4015853C2 (de) * | 1990-05-17 | 1999-04-01 | Ako Werke Gmbh & Co | Eingangsschaltung eines Mikrorechners |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2787712A (en) * | 1954-10-04 | 1957-04-02 | Bell Telephone Labor Inc | Transistor multivibrator circuits |
| US2968008A (en) * | 1957-04-11 | 1961-01-10 | Daystrom Inc | Self-starting multivibrator |
| US3067336A (en) * | 1957-05-03 | 1962-12-04 | Honeywell Regulator Co | Bistable electronic switching circuitry for manipulating digital data |
-
1963
- 1963-01-23 US US253375A patent/US3204200A/en not_active Expired - Lifetime
- 1963-12-30 GB GB51135/63A patent/GB1063490A/en not_active Expired
-
1964
- 1964-01-08 BE BE642239D patent/BE642239A/xx unknown
- 1964-01-17 DE DE1964W0035990 patent/DE1218506C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1218506B (de) | 1966-06-08 |
| US3204200A (en) | 1965-08-31 |
| GB1063490A (en) | 1967-03-30 |
| DE1218506C2 (de) | 1975-10-09 |