JPS4959277A - - Google Patents
Info
- Publication number
- JPS4959277A JPS4959277A JP48090599A JP9059973A JPS4959277A JP S4959277 A JPS4959277 A JP S4959277A JP 48090599 A JP48090599 A JP 48090599A JP 9059973 A JP9059973 A JP 9059973A JP S4959277 A JPS4959277 A JP S4959277A
- 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
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/945—Proximity switches
Landscapes
- Electronic Switches (AREA)
- Dc-Dc Converters (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US28021972A | 1972-08-14 | 1972-08-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4959277A true JPS4959277A (fr) | 1974-06-08 |
Family
ID=23072165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48090599A Pending JPS4959277A (fr) | 1972-08-14 | 1973-08-14 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3801799A (fr) |
| JP (1) | JPS4959277A (fr) |
| CA (1) | CA1008145A (fr) |
| DE (1) | DE2341161A1 (fr) |
| FR (1) | FR2196492A1 (fr) |
| GB (1) | GB1411683A (fr) |
| IT (1) | IT990245B (fr) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4264072A (en) * | 1978-05-26 | 1981-04-28 | Chalmers John E | Electronic game apparatus |
| US4378504A (en) * | 1980-03-25 | 1983-03-29 | Omron Tateisi Electronics Co. | Proximity switch |
| GB2131552B (en) * | 1982-11-26 | 1986-12-31 | Atomic Energy Authority Uk | Non-destructive testing using eddy-currents |
| CH672383A5 (fr) * | 1986-10-29 | 1989-11-15 | Baumer Electric Ag | |
| JPH06249963A (ja) * | 1993-02-25 | 1994-09-09 | Asanumagumi:Kk | 物体検出装置 |
| US5832772A (en) * | 1995-01-27 | 1998-11-10 | The Regents Of The University Of California | Micropower RF material proximity sensor |
| US6446012B1 (en) | 1999-06-23 | 2002-09-03 | Bfcs Technology, Inc. | Proximity detector for hard-to-detect materials |
| US7057393B2 (en) * | 2000-12-06 | 2006-06-06 | Massachusetts Institute Of Technology | System and method for measuring the dielectric strength of a fluid |
| US7035608B2 (en) * | 2001-03-16 | 2006-04-25 | Aura Communications Technology, Inc. | Methods and apparatus for tuning in an inductive system |
| DE10315845B4 (de) * | 2003-04-08 | 2005-10-06 | Wolfgang Richter | System, Systemkomponenten und Verfahren zur Abwicklung eines hermetisch validierbaren Datentransfers |
| US7034562B2 (en) * | 2004-05-19 | 2006-04-25 | Advantest Corporation | Oscillation detecting apparatus and test apparatus |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3255380A (en) * | 1961-09-11 | 1966-06-07 | Tung Sol Electric Inc | Touch responsive circuit for control of a load |
| US3201774A (en) * | 1962-12-26 | 1965-08-17 | Tateisi Denki Kabushikikaisha | Electrical sensing apparatus |
| US3200306A (en) * | 1963-09-12 | 1965-08-10 | Tung Sol Electric Inc | Touch responsive circuit |
| US3199033A (en) * | 1964-08-10 | 1965-08-03 | Tung Sol Electric Inc | Condition responsive circuits with plural output of relaxation oscillator balanced |
| US3324647A (en) * | 1964-08-11 | 1967-06-13 | Parmet Company | Proximity detector |
| US3492542A (en) * | 1967-02-17 | 1970-01-27 | Wagner Electric Corp | Single touch capacity switch |
-
1972
- 1972-08-14 US US00280219A patent/US3801799A/en not_active Expired - Lifetime
-
1973
- 1973-08-02 CA CA178,020A patent/CA1008145A/en not_active Expired
- 1973-08-13 IT IT52008/73A patent/IT990245B/it active
- 1973-08-14 GB GB3953373A patent/GB1411683A/en not_active Expired
- 1973-08-14 DE DE19732341161 patent/DE2341161A1/de active Pending
- 1973-08-14 JP JP48090599A patent/JPS4959277A/ja active Pending
- 1973-08-14 FR FR7329706A patent/FR2196492A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| GB1411683A (en) | 1975-10-29 |
| IT990245B (it) | 1975-06-20 |
| DE2341161A1 (de) | 1974-02-28 |
| FR2196492A1 (fr) | 1974-03-15 |
| US3801799A (en) | 1974-04-02 |
| CA1008145A (en) | 1977-04-05 |