SE310899B - - Google Patents
Info
- Publication number
- SE310899B SE310899B SE3411/61A SE341161A SE310899B SE 310899 B SE310899 B SE 310899B SE 3411/61 A SE3411/61 A SE 3411/61A SE 341161 A SE341161 A SE 341161A SE 310899 B SE310899 B SE 310899B
- Authority
- SE
- Sweden
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
- H04M1/65—Recording arrangements for recording a message from the calling party
- H04M1/654—Telephone line monitoring circuits therefor, e.g. ring detectors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/28—Modifications for introducing a time delay before switching
-
- 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
- H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback
- H03K3/57—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback the switching device being a semiconductor device
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
- H04M1/65—Recording arrangements for recording a message from the calling party
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US19314A US3119027A (en) | 1960-04-01 | 1960-04-01 | Signal actuated control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE310899B true SE310899B (it) | 1969-05-19 |
Family
ID=21792559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE3411/61A SE310899B (it) | 1960-04-01 | 1961-03-30 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3119027A (it) |
| BE (1) | BE601953A (it) |
| DE (1) | DE1242703B (it) |
| FR (1) | FR1281078A (it) |
| NL (2) | NL260729A (it) |
| SE (1) | SE310899B (it) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3226563A (en) * | 1961-03-08 | 1965-12-28 | John C Lovci | Teletype current supply system |
| US3217172A (en) * | 1961-08-01 | 1965-11-09 | Burroughs Corp | Delay circuit employing coupling circuit between two time delay circuits |
| US3341712A (en) * | 1963-01-23 | 1967-09-12 | Fifth Dimension Inc | Current sensing timing circuits |
| US3284791A (en) * | 1963-03-25 | 1966-11-08 | Aseco Inc | Near alarm receiver having-time delay of discharge type |
| US3286101A (en) * | 1963-10-16 | 1966-11-15 | Massachusetts Inst Technology | Sample and hold circuit |
| US3505541A (en) * | 1966-07-29 | 1970-04-07 | Rca Corp | Electronic timer |
| US3482148A (en) * | 1966-12-28 | 1969-12-02 | Bell Telephone Labor Inc | Pulse driven circuit for activating an electromagnetic device during and for a predetermined interval longer than the input pulse width |
| US3577087A (en) * | 1968-09-27 | 1971-05-04 | Rca Corp | Sequence {37 and{38 {0 gate with resetting means |
| US3584240A (en) * | 1969-04-02 | 1971-06-08 | Rca Corp | Trigger pulse circuits |
| US3604956A (en) * | 1969-07-01 | 1971-09-14 | Us Navy | Radiation immune timing circuit |
| US3600610A (en) * | 1969-07-09 | 1971-08-17 | Xerox Corp | Time delay circuit for a radiant energy protective apparatus |
| US3852646A (en) * | 1970-12-28 | 1974-12-03 | Design Elements Inc | Solenoid drive circuit |
| US4330720A (en) * | 1978-11-24 | 1982-05-18 | Gould Inc. | Electrographic recording apparatus employing an improved drive circuit |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE483166A (it) * | 1944-04-24 | |||
| US2617024A (en) * | 1948-08-31 | 1952-11-04 | Rca Corp | Time delay circuits |
| US2653233A (en) * | 1951-08-25 | 1953-09-22 | Westinghouse Electric Corp | Electrical apparatus |
| US2845548A (en) * | 1956-04-25 | 1958-07-29 | Westinghouse Electric Corp | Static time delay circuit |
| US2902658A (en) * | 1957-05-01 | 1959-09-01 | Electrocircuits Inc | Apparatus for generating frequency modulated signals |
| US2998532A (en) * | 1958-05-21 | 1961-08-29 | Thompson Ramo Wooldridge Inc | Linear ramp voltage wave shape generator |
-
0
- NL NL122369D patent/NL122369C/xx active
- NL NL260729D patent/NL260729A/xx unknown
-
1960
- 1960-04-01 US US19314A patent/US3119027A/en not_active Expired - Lifetime
-
1961
- 1961-02-17 FR FR853122A patent/FR1281078A/fr not_active Expired
- 1961-03-29 BE BE601953A patent/BE601953A/fr unknown
- 1961-03-30 SE SE3411/61A patent/SE310899B/xx unknown
- 1961-04-01 DE DEF33583A patent/DE1242703B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL122369C (it) | |
| FR1281078A (fr) | 1962-01-08 |
| DE1242703B (de) | 1967-06-22 |
| US3119027A (en) | 1964-01-21 |
| NL260729A (it) | |
| BE601953A (fr) | 1961-07-17 |