JPS5025160B1 - - Google Patents
Info
- Publication number
- JPS5025160B1 JPS5025160B1 JP10174669A JP10174669A JPS5025160B1 JP S5025160 B1 JPS5025160 B1 JP S5025160B1 JP 10174669 A JP10174669 A JP 10174669A JP 10174669 A JP10174669 A JP 10174669A JP S5025160 B1 JPS5025160 B1 JP S5025160B1
- 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
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
- H01G7/02—Electrets, i.e. having a permanently-polarised dielectric
- H01G7/021—Electrets, i.e. having a permanently-polarised dielectric having an organic dielectric
- H01G7/023—Electrets, i.e. having a permanently-polarised dielectric having an organic dielectric of macromolecular compounds
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
- H04R19/01—Electrostatic transducers characterised by the use of electrets
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US63846367A | 1967-05-15 | 1967-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5025160B1 true JPS5025160B1 (en) | 1975-08-21 |
Family
ID=24560137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10174669A Pending JPS5025160B1 (en) | 1967-05-15 | 1969-12-19 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5025160B1 (en) |
| DE (1) | DE1639444B2 (en) |
| GB (3) | GB1230403A (en) |
| NL (1) | NL167542C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014017204A1 (en) * | 2012-07-25 | 2014-01-30 | 株式会社ビスキャス | Vibration power generation body |
| US11355921B2 (en) | 2019-12-20 | 2022-06-07 | Samsung Sdi Co., Ltd. | Detecting system for control circuit of load |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4815868B1 (en) * | 1969-08-28 | 1973-05-17 | ||
| JPS5121334B2 (en) * | 1971-08-27 | 1976-07-01 | ||
| CA989514A (en) * | 1972-09-08 | 1976-05-18 | Loh-Yi Chang | Electromechanical transducer and method of making same |
| AT323257B (en) * | 1973-06-26 | 1975-07-10 | Akg Akustische Kino Geraete | CONDENSER MICROPHONE |
| JPS5130997A (en) * | 1974-09-11 | 1976-03-16 | Kureha Chemical Ind Co Ltd | Kobunshifuirumu no renzokuseikyokuhoho |
| US4085297A (en) * | 1977-06-13 | 1978-04-18 | Polaroid Corporation | Spring force biasing means for electroacoustical transducer components |
| JPS57188105A (en) * | 1981-05-14 | 1982-11-19 | Toshiba Corp | Electret constituent |
| RU181900U1 (en) * | 2018-04-16 | 2018-07-26 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Волгоградский государственный технический университет" (ВолгГТУ) | DEVICE FOR PRODUCING ELECTRETHES |
-
1968
- 1968-01-16 DE DE19681639444 patent/DE1639444B2/en active Pending
- 1968-04-02 GB GB1230403D patent/GB1230403A/en not_active Expired
- 1968-04-02 GB GB1230404D patent/GB1230404A/en not_active Expired
- 1968-04-02 GB GB1230402D patent/GB1230402A/en not_active Expired
- 1968-04-25 NL NL6805919A patent/NL167542C/en not_active IP Right Cessation
-
1969
- 1969-12-19 JP JP10174669A patent/JPS5025160B1/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014017204A1 (en) * | 2012-07-25 | 2014-01-30 | 株式会社ビスキャス | Vibration power generation body |
| JP5691085B2 (en) * | 2012-07-25 | 2015-04-01 | 株式会社ビスキャス | Vibration generator and power generation method using the same |
| US11355921B2 (en) | 2019-12-20 | 2022-06-07 | Samsung Sdi Co., Ltd. | Detecting system for control circuit of load |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1230404A (en) | 1971-05-05 |
| GB1230403A (en) | 1971-05-05 |
| NL6805919A (en) | 1968-11-18 |
| NL167542B (en) | 1981-07-16 |
| DE1639444B2 (en) | 1972-08-03 |
| GB1230402A (en) | 1971-05-05 |
| NL167542C (en) | 1981-12-16 |
| DE1639444A1 (en) | 1971-04-22 |