GB590572A - Improvements in signal translating devices - Google Patents
Improvements in signal translating devicesInfo
- Publication number
 - GB590572A GB590572A GB25828/44A GB2582844A GB590572A GB 590572 A GB590572 A GB 590572A GB 25828/44 A GB25828/44 A GB 25828/44A GB 2582844 A GB2582844 A GB 2582844A GB 590572 A GB590572 A GB 590572A
 - Authority
 - GB
 - United Kingdom
 - Prior art keywords
 - electrode
 - flange
 - face
 - plate
 - spacer
 - Prior art date
 - 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.)
 - Expired
 
Links
- 125000006850 spacer group Chemical group 0.000 abstract 7
 - 239000000463 material Substances 0.000 abstract 4
 - 230000008602 contraction Effects 0.000 abstract 3
 - 230000000694 effects Effects 0.000 abstract 3
 - OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 2
 - 229910052799 carbon Inorganic materials 0.000 abstract 2
 - 239000008187 granular material Substances 0.000 abstract 2
 - 229910001369 Brass Inorganic materials 0.000 abstract 1
 - 239000000956 alloy Substances 0.000 abstract 1
 - 229910045601 alloy Inorganic materials 0.000 abstract 1
 - 239000004411 aluminium Substances 0.000 abstract 1
 - XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
 - 229910052782 aluminium Inorganic materials 0.000 abstract 1
 - 239000010951 brass Substances 0.000 abstract 1
 - 229910010293 ceramic material Inorganic materials 0.000 abstract 1
 - 239000007859 condensation product Substances 0.000 abstract 1
 - 230000002596 correlated effect Effects 0.000 abstract 1
 - 210000005069 ears Anatomy 0.000 abstract 1
 - 238000007689 inspection Methods 0.000 abstract 1
 - ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract 1
 - 239000005871 repellent Substances 0.000 abstract 1
 
Classifications
- 
        
- 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
 - H04R21/021—Microphones with granular resistance material
 
 - 
        
- 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
 
 
Landscapes
- Physics & Mathematics (AREA)
 - Engineering & Computer Science (AREA)
 - Acoustics & Sound (AREA)
 - Signal Processing (AREA)
 - Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
 - Measuring Fluid Pressure (AREA)
 
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| US515880A US2429988A (en) | 1943-12-28 | 1943-12-28 | Temperature compensated microphone | 
Publications (1)
| Publication Number | Publication Date | 
|---|---|
| GB590572A true GB590572A (en) | 1947-07-22 | 
Family
ID=24053153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| GB25828/44A Expired GB590572A (en) | 1943-12-28 | 1944-12-22 | Improvements in signal translating devices | 
Country Status (6)
| Country | Link | 
|---|---|
| US (1) | US2429988A (en:Method) | 
| BE (1) | BE468390A (en:Method) | 
| CH (1) | CH258724A (en:Method) | 
| ES (1) | ES175771A1 (en:Method) | 
| FR (1) | FR938802A (en:Method) | 
| GB (1) | GB590572A (en:Method) | 
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| DE1081050B (de) * | 1956-10-11 | 1960-05-05 | Hugh Shaler Knowles | Elektroakustischer Tonaufnehmer | 
| DE1230858B (de) * | 1960-06-22 | 1966-12-22 | Siemens Ag | Membran fuer einen elektroakustischen Wandler | 
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US2532741A (en) * | 1947-10-31 | 1950-12-05 | Bell Telephone Labor Inc | Microphone with opposite electrodes being of varying and constant curvature | 
| NL70196C (en:Method) * | 1947-10-31 | |||
| US2585052A (en) * | 1948-04-23 | 1952-02-12 | Int Standard Electric Corp | Granule type acoustic transducer | 
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US1570120A (en) * | 1923-12-06 | 1926-01-19 | Western Electric Co | Telephone device | 
| US1603300A (en) * | 1924-09-02 | 1926-10-19 | Western Electric Co | Telephone transmitter | 
| US2069242A (en) * | 1933-01-19 | 1937-02-02 | George A Graham | Electroacoustic energy converting system | 
| BE402491A (en:Method) * | 1933-05-11 | |||
| US2179733A (en) * | 1934-11-27 | 1939-11-14 | Siemens Brothers & Co Ltd | Microphone | 
- 
        0
        
- BE BE468390D patent/BE468390A/xx unknown
 
 - 
        1943
        
- 1943-12-28 US US515880A patent/US2429988A/en not_active Expired - Lifetime
 
 - 
        1944
        
- 1944-12-22 GB GB25828/44A patent/GB590572A/en not_active Expired
 
 - 
        1946
        
- 1946-09-17 CH CH258724D patent/CH258724A/fr unknown
 - 1946-11-06 ES ES175771A patent/ES175771A1/es not_active Expired
 - 1946-11-19 FR FR938802D patent/FR938802A/fr not_active Expired
 
 
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| DE1081050B (de) * | 1956-10-11 | 1960-05-05 | Hugh Shaler Knowles | Elektroakustischer Tonaufnehmer | 
| DE1230858B (de) * | 1960-06-22 | 1966-12-22 | Siemens Ag | Membran fuer einen elektroakustischen Wandler | 
Also Published As
| Publication number | Publication date | 
|---|---|
| CH258724A (fr) | 1948-12-15 | 
| BE468390A (en:Method) | |
| US2429988A (en) | 1947-11-04 | 
| ES175771A1 (es) | 1947-01-01 | 
| FR938802A (fr) | 1948-10-26 | 
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