NL222633A - - Google Patents
Info
- Publication number
- NL222633A NL222633A NL222633DA NL222633A NL 222633 A NL222633 A NL 222633A NL 222633D A NL222633D A NL 222633DA NL 222633 A NL222633 A NL 222633A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R21/00—Variable-resistance transducers
- H04R21/02—Microphones
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB345483X | 1956-12-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL222633A true NL222633A (fr) |
Family
ID=10366980
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL283744D NL283744A (fr) | 1956-12-04 | ||
| NL222633D NL222633A (fr) | 1956-12-04 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL283744D NL283744A (fr) | 1956-12-04 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH345483A (fr) |
| DE (1) | DE1165291B (fr) |
| GB (1) | GB872886A (fr) |
| NL (2) | NL222633A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3522390A (en) * | 1965-04-12 | 1970-07-28 | Harry H Wieder | Magnetoresistive transducer having microscopic hall field shorting |
| DE29618546U1 (de) * | 1996-10-24 | 1997-01-23 | Simanok Thomas | Etui für Karten mit Magnetstreifen und/oder Chips |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE590678C (de) * | 1931-09-15 | 1934-01-08 | Reinhold Bauder Dipl Ing | Zelle zum Messen der Feldstaerke bzw. Induktion magnetischer Felder |
| US2562120A (en) * | 1948-08-26 | 1951-07-24 | Bell Telephone Labor Inc | Magnetic field strength meter |
-
0
- NL NL283744D patent/NL283744A/xx unknown
- NL NL222633D patent/NL222633A/xx unknown
-
1956
- 1956-12-04 GB GB37008/56A patent/GB872886A/en not_active Expired
-
1957
- 1957-11-19 DE DEC15811A patent/DE1165291B/de active Pending
- 1957-12-03 CH CH345483D patent/CH345483A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH345483A (fr) | 1960-03-31 |
| NL283744A (fr) | |
| DE1165291B (de) | 1964-03-12 |
| GB872886A (en) | 1961-07-12 |