JPS5051288A - - Google Patents
Info
- Publication number
- JPS5051288A JPS5051288A JP49088636A JP8863674A JPS5051288A JP S5051288 A JPS5051288 A JP S5051288A JP 49088636 A JP49088636 A JP 49088636A JP 8863674 A JP8863674 A JP 8863674A JP S5051288 A JPS5051288 A JP S5051288A
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/0207—Driving circuits
- B06B1/0223—Driving circuits for generating signals continuous in time
- B06B1/0269—Driving circuits for generating signals continuous in time for generating multiple frequencies
- B06B1/0284—Driving circuits for generating signals continuous in time for generating multiple frequencies with consecutive, i.e. sequential generation, e.g. with frequency sweep
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US384889A US3882275A (en) | 1973-08-02 | 1973-08-02 | Sound communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5051288A true JPS5051288A (en) | 1975-05-08 |
Family
ID=23519174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49088636A Pending JPS5051288A (en) | 1973-08-02 | 1974-08-01 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3882275A (en) |
| JP (1) | JPS5051288A (en) |
| CA (1) | CA1007989A (en) |
| DE (1) | DE2436693A1 (en) |
| GB (1) | GB1476125A (en) |
| IT (1) | IT1017707B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4065767A (en) * | 1976-09-01 | 1977-12-27 | General Signal Corporation | Programmable electronic siren |
| US4206448A (en) * | 1977-12-19 | 1980-06-03 | Davis Curtis H | Multiple mode sound generator |
| US4204200A (en) * | 1978-10-11 | 1980-05-20 | Traintronics, Inc. | Electronic horn arrangement |
| FR2552913A1 (en) * | 1983-09-29 | 1985-04-05 | Guterman Charles | Miniature electronic siren programmable in siren or in word mode |
| JPS60166895U (en) * | 1984-04-11 | 1985-11-06 | パイオニア株式会社 | Automotive audio equipment |
| GB2164523B (en) * | 1984-09-15 | 1988-07-06 | Crystalate Electronics | Electronic alarm sounder |
| US4736432A (en) * | 1985-12-09 | 1988-04-05 | Motorola Inc. | Electronic siren audio notch filter for transmitters |
| US5317641A (en) * | 1991-04-11 | 1994-05-31 | Sony Electronics Inc. | Fader depth control apparatus |
| AUPM282493A0 (en) * | 1993-12-06 | 1994-01-06 | Robert Bosch (Australia) Proprietary Ltd. | A siren unit |
| IT238434Y1 (en) * | 1997-11-26 | 2000-11-13 | Meta System Spa | MULTIFUNCTION ELECTRONIC SIREN FOR MOBILE VEHICLES |
| US20010026623A1 (en) * | 2000-10-17 | 2001-10-04 | Erwin Duane A. | Remote Broadcasting System |
| US20080272649A1 (en) * | 2003-10-31 | 2008-11-06 | Johnson Controls Technology Company | Electrical connectivity system for use in a vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS436523Y1 (en) * | 1964-12-10 | 1968-03-23 | ||
| JPS4312352Y1 (en) * | 1965-02-12 | 1968-05-28 | ||
| JPS4316007Y1 (en) * | 1967-08-16 | 1968-07-04 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2396422A (en) * | 1942-04-30 | 1946-03-12 | Westinghouse Air Brake Co | Air raid warning system |
| US2358630A (en) * | 1943-04-21 | 1944-09-19 | Gen Electric | Amplification system |
| US3051944A (en) * | 1958-08-25 | 1962-08-28 | Auto Electronics Inc | Electronic siren and communication apparatus |
| US3014199A (en) * | 1960-04-11 | 1961-12-19 | Leslie G Dill | Siren actuated warning device for automobiles |
| US3130396A (en) * | 1961-09-06 | 1964-04-21 | Hughes | Automatic civil emergency warning system |
-
1973
- 1973-08-02 US US384889A patent/US3882275A/en not_active Expired - Lifetime
-
1974
- 1974-07-19 GB GB3207774A patent/GB1476125A/en not_active Expired
- 1974-07-30 DE DE2436693A patent/DE2436693A1/en not_active Withdrawn
- 1974-07-30 IT IT25707/74A patent/IT1017707B/en active
- 1974-08-01 CA CA206,122A patent/CA1007989A/en not_active Expired
- 1974-08-01 JP JP49088636A patent/JPS5051288A/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS436523Y1 (en) * | 1964-12-10 | 1968-03-23 | ||
| JPS4312352Y1 (en) * | 1965-02-12 | 1968-05-28 | ||
| JPS4316007Y1 (en) * | 1967-08-16 | 1968-07-04 |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1017707B (en) | 1977-08-10 |
| GB1476125A (en) | 1977-06-10 |
| DE2436693A1 (en) | 1975-02-13 |
| US3882275A (en) | 1975-05-06 |
| CA1007989A (en) | 1977-04-05 |