NL7106189A - - Google Patents
Info
- Publication number
- NL7106189A NL7106189A NL7106189A NL7106189A NL7106189A NL 7106189 A NL7106189 A NL 7106189A NL 7106189 A NL7106189 A NL 7106189A NL 7106189 A NL7106189 A NL 7106189A NL 7106189 A NL7106189 A NL 7106189A
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/64—Generators producing trains of pulses, i.e. finite sequences of pulses
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Amplifiers (AREA)
- Electromechanical Clocks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US3622570A | 1970-05-11 | 1970-05-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7106189A true NL7106189A (xx) | 1971-11-15 |
Family
ID=21887385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7106189A NL7106189A (xx) | 1970-05-11 | 1971-05-06 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3686666A (xx) |
| BE (1) | BE766958A (xx) |
| CA (1) | CA945642A (xx) |
| DE (1) | DE2123363A1 (xx) |
| FR (1) | FR2091600A5 (xx) |
| GB (1) | GB1349807A (xx) |
| NL (1) | NL7106189A (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3860919A (en) * | 1973-12-26 | 1975-01-14 | Funck Donald E | Smoke and gas detection and alarm apparatus |
| US3922672A (en) * | 1974-03-04 | 1975-11-25 | Mallory & Co Inc P R | Audible alarm device |
| DE2931437C2 (de) * | 1979-08-02 | 1981-09-24 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zum Ansteuern eines Signallautsprechers |
| GB2151057A (en) * | 1983-11-17 | 1985-07-10 | Sakis Roy | Alarm device |
-
1970
- 1970-05-11 US US36225A patent/US3686666A/en not_active Expired - Lifetime
-
1971
- 1971-01-08 CA CA102,260A patent/CA945642A/en not_active Expired
- 1971-05-05 GB GB1314271*[A patent/GB1349807A/en not_active Expired
- 1971-05-06 NL NL7106189A patent/NL7106189A/xx unknown
- 1971-05-10 FR FR7117441A patent/FR2091600A5/fr not_active Expired
- 1971-05-10 BE BE766958A patent/BE766958A/xx unknown
- 1971-05-11 DE DE19712123363 patent/DE2123363A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1349807A (en) | 1974-04-10 |
| DE2123363A1 (de) | 1971-12-02 |
| BE766958A (fr) | 1971-11-10 |
| FR2091600A5 (xx) | 1972-01-14 |
| US3686666A (en) | 1972-08-22 |
| CA945642A (en) | 1974-04-16 |