NL7303059A - - Google Patents
Info
- Publication number
- NL7303059A NL7303059A NL7303059A NL7303059A NL7303059A NL 7303059 A NL7303059 A NL 7303059A NL 7303059 A NL7303059 A NL 7303059A NL 7303059 A NL7303059 A NL 7303059A NL 7303059 A NL7303059 A NL 7303059A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
- H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
- H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
- H04Q1/453—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling in which m-out-of-n signalling frequencies are transmitted
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Manipulation Of Pulses (AREA)
- Noise Elimination (AREA)
- Measurement Of Current Or Voltage (AREA)
- Amplifiers (AREA)
- Networks Using Active Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US23155672A | 1972-03-03 | 1972-03-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7303059A true NL7303059A (en:Method) | 1973-09-06 |
Family
ID=22869728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7303059A NL7303059A (en:Method) | 1972-03-03 | 1973-03-05 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3743950A (en:Method) |
| BE (1) | BE796249A (en:Method) |
| CA (1) | CA980877A (en:Method) |
| DE (1) | DE2309767A1 (en:Method) |
| ES (1) | ES412306A1 (en:Method) |
| FR (1) | FR2174979B1 (en:Method) |
| GB (1) | GB1416601A (en:Method) |
| NL (1) | NL7303059A (en:Method) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3959667A (en) * | 1972-12-18 | 1976-05-25 | Allis-Chalmers Corporation | Overcurrent trip device |
| US3797894A (en) * | 1973-01-24 | 1974-03-19 | Bendix Corp | Combination peak detector and level detector for use in an adaptive braking system |
| JPS49123706A (en:Method) * | 1973-03-30 | 1974-11-27 | ||
| US3935392A (en) * | 1974-01-17 | 1976-01-27 | Smith Lloyd M | Dial pulse detection method and apparatus |
| JPS5642181B2 (en:Method) * | 1974-05-25 | 1981-10-02 | ||
| US3999083A (en) * | 1975-03-31 | 1976-12-21 | The United States Of America As Represented By The Secretary Of The Navy | Automatic threshold circuit |
| US4164713A (en) * | 1977-01-28 | 1979-08-14 | Bell Telephone Laboratories, Incorporated | Dual mode telephone subscriber loop current detector |
| US4227055A (en) * | 1978-12-07 | 1980-10-07 | Bell Telephone Laboratories, Incorporated | Multifrequency receiver |
| FR2467407A1 (fr) * | 1979-10-15 | 1981-04-17 | Jaeger | Dispositif de mesure des valeurs cretes d'un phenomene non periodique a recurrence faible |
| EP0233258A1 (en) * | 1985-08-16 | 1987-08-26 | BROWN, David | Electromyographic repetitive strain injury monitor |
| JP2591301B2 (ja) * | 1990-09-27 | 1997-03-19 | 日本電気株式会社 | 折れ線特性回路 |
| US6232832B1 (en) * | 1994-07-19 | 2001-05-15 | Honeywell International Inc | Circuit for limiting an output voltage to a percent of a variable supply voltage |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3119984A (en) * | 1960-12-22 | 1964-01-28 | Ibm | Analog voltage memory |
| US3454787A (en) * | 1966-05-06 | 1969-07-08 | Bendix Corp | Monitor and delay network comprising feedback amplifier,sample and hold circuit and threshold detector combination for error signal level detector |
| DE2010171B1 (en:Method) * | 1970-03-04 | 1971-10-07 | Krone Kg |
-
1972
- 1972-03-03 US US00231556A patent/US3743950A/en not_active Expired - Lifetime
-
1973
- 1973-02-27 DE DE19732309767 patent/DE2309767A1/de active Pending
- 1973-03-02 GB GB1022873A patent/GB1416601A/en not_active Expired
- 1973-03-02 CA CA165,089A patent/CA980877A/en not_active Expired
- 1973-03-03 ES ES412306A patent/ES412306A1/es not_active Expired
- 1973-03-05 NL NL7303059A patent/NL7303059A/xx not_active Application Discontinuation
- 1973-03-05 FR FR7307687A patent/FR2174979B1/fr not_active Expired
- 1973-03-05 BE BE2052571A patent/BE796249A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2309767A1 (de) | 1973-10-31 |
| BE796249A (nl) | 1973-09-05 |
| FR2174979B1 (en:Method) | 1978-03-10 |
| FR2174979A1 (en:Method) | 1973-10-19 |
| ES412306A1 (es) | 1976-01-01 |
| AU5286873A (en) | 1974-09-05 |
| CA980877A (en) | 1975-12-30 |
| GB1416601A (en) | 1975-12-03 |
| US3743950A (en) | 1973-07-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |