NL300473A - - Google Patents
Info
- Publication number
- NL300473A NL300473A NL300473DA NL300473A NL 300473 A NL300473 A NL 300473A NL 300473D A NL300473D A NL 300473DA NL 300473 A NL300473 A NL 300473A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/08—Mechanical actuation by opening, e.g. of door, of window, of drawer, of shutter, of curtain, of blind
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/14—Mechanical actuation by lifting or attempted removal of hand-portable articles
- G08B13/149—Mechanical actuation by lifting or attempted removal of hand-portable articles with electric, magnetic, capacitive switch actuation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEA0042907 | 1963-04-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL300473A true NL300473A (US06486227-20021126-C00005.png) |
Family
ID=6933361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL300473D NL300473A (US06486227-20021126-C00005.png) | 1963-04-17 |
Country Status (5)
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3484775A (en) * | 1965-10-20 | 1969-12-16 | Wallace Dean Cline | Theft prevention system |
| US3463491A (en) * | 1966-01-26 | 1969-08-26 | Albert E Shaw | Pin detection system with radially symmetrical pattern of magnetic reed switches |
| US3530451A (en) * | 1967-01-20 | 1970-09-22 | Security Systems Inc | Holster radio alarm |
| US3544987A (en) * | 1967-02-24 | 1970-12-01 | Renville H Mcmann Jr | Property protection alarm system |
| US3582931A (en) * | 1967-10-18 | 1971-06-01 | Daniel Nawrocki | Pilferage-prevention system |
| US3725887A (en) * | 1968-06-10 | 1973-04-03 | Sneider Electronic Sys Inc | Radio transmitting alarm system |
| US3618059A (en) * | 1968-06-19 | 1971-11-02 | Milton F Allen | Electronic detection and tracing means |
| US3569644A (en) * | 1969-07-14 | 1971-03-09 | Elgin Electronics | Bill trap |
| US3641425A (en) * | 1969-08-07 | 1972-02-08 | Transalarm Electronics Inc | Alarm system |
| US3618067A (en) * | 1969-11-04 | 1971-11-02 | Donald P Devale | Movement detector |
| US3710371A (en) * | 1970-02-18 | 1973-01-09 | G Whalen | Portable security alarm and alarm system |
| US3641540A (en) * | 1970-03-30 | 1972-02-08 | Joel L Cutler | Wireless alarm system |
| US3665448A (en) * | 1970-08-03 | 1972-05-23 | Hugh A Mcglinchey | Electronic shoplifting prevention system |
| US4023176A (en) * | 1975-04-02 | 1977-05-10 | Texas Instruments Incorporated | Beacon tracking display system |
| NL8204500A (nl) * | 1982-11-19 | 1984-06-18 | Castelijn & Beerens Lederwaren | Draagbare alarminrichting. |
| JPS61201454U (US06486227-20021126-C00005.png) * | 1985-06-07 | 1986-12-17 | ||
| US4638307A (en) * | 1985-10-15 | 1987-01-20 | Swartout Willson C | Patient position monitoring system |
| NO168394C (no) * | 1986-05-21 | 1992-02-12 | Securiton Ag | Innretning til sikring mot tyveri av gjenstander |
| GB2197516B (en) * | 1986-11-15 | 1990-10-03 | John Bryan Clough | Security device |
| WO1988003689A1 (en) * | 1986-11-15 | 1988-05-19 | John Bryan Clough | Security device |
| US5512877A (en) * | 1995-05-09 | 1996-04-30 | Mosler, Inc. | Currency removal sensor system |
| US7388484B2 (en) * | 2005-08-16 | 2008-06-17 | Honeywell International Inc. | Conductive tamper switch for security devices |
| IT201900012729A1 (it) * | 2019-07-24 | 2021-01-24 | Petersen Fabio Rocco Valentini | Dispositivo antifurto per oggetti da parete |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2899674A (en) * | 1959-08-11 | Sierer | ||
| GB669820A (en) * | 1948-03-06 | 1952-04-09 | John Westaway | Improvements in electric alarm devices |
| US2766358A (en) * | 1950-12-13 | 1956-10-09 | Davidson Signal Co Ltd | Hold-up alarm signal system |
| US2754498A (en) * | 1954-04-29 | 1956-07-10 | Louise K Lavelle | Alarm device for suspended articles |
| GB770958A (en) * | 1954-06-22 | 1957-03-27 | Bonochord Ltd | Improvements relating to burglar alarms |
| US2943308A (en) * | 1956-03-15 | 1960-06-28 | Everett A Westphal | Protective alarm system |
| US2905762A (en) * | 1957-04-10 | 1959-09-22 | George W Rettie | Fire and burglar alarm system |
| US2877361A (en) * | 1957-04-12 | 1959-03-10 | Holmes Electric Protective Com | Burglar alarm system |
| US3056951A (en) * | 1958-05-06 | 1962-10-02 | Doris H Tooni | Safe alarm system |
| DE1108111B (de) * | 1960-05-20 | 1961-05-31 | Siemens Ag | Anordnung zur Sicherung gegen Diebstahl |
| US3161742A (en) * | 1961-08-24 | 1964-12-15 | Specialties Dev Corp | Magnetic intruder and fire deterctor |
| US3135953A (en) * | 1961-11-06 | 1964-06-02 | Samuel M Bagno | Lamp illuminating network |
| US3192517A (en) * | 1962-05-11 | 1965-06-29 | Bay State Security Corp | Burglar alarm |
| US3155954A (en) * | 1962-06-15 | 1964-11-03 | Howard M Larrick | Automatic sensitivity control for sound actuated detection and alarm systems |
| US3114905A (en) * | 1962-08-13 | 1963-12-17 | Michael T Sliman | Alarm system |
-
0
- NL NL300473D patent/NL300473A/xx unknown
-
1963
- 1963-10-21 US US317618A patent/US3247502A/en not_active Expired - Lifetime
- 1963-11-05 GB GB43577/63A patent/GB1002295A/en not_active Expired
- 1963-11-08 CH CH1372863A patent/CH428503A/de unknown
- 1963-12-05 BE BE640835D patent/BE640835A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH428503A (de) | 1967-01-15 |
| GB1002295A (en) | 1965-08-25 |
| US3247502A (en) | 1966-04-19 |
| BE640835A (US06486227-20021126-C00005.png) | 1964-04-01 |
