NL71916C - - Google Patents
Info
- Publication number
- NL71916C NL71916C NL71916DA NL71916C NL 71916 C NL71916 C NL 71916C NL 71916D A NL71916D A NL 71916DA NL 71916 C NL71916 C NL 71916C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/02—Arrangements of circuit components or wiring on supporting structure
- H05K7/04—Arrangements of circuit components or wiring on supporting structure on conductive chassis
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/04—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception comprising pocket amplifiers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0271—Arrangements for reducing stress or warp in rigid printed circuit boards, e.g. caused by loads, vibrations or differences in thermal expansion
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/20—Details of printed circuits not provided for in H05K2201/01 - H05K2201/10
- H05K2201/2009—Reinforced areas, e.g. for a specific part of a flexible printed circuit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S439/00—Electrical connectors
- Y10S439/909—Medical use or attached to human body
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Mounting Of Printed Circuit Boards And The Like (AREA)
- Casings For Electric Apparatus (AREA)
- Connection Of Batteries Or Terminals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US787714A US2495546A (en) | 1947-11-24 | 1947-11-24 | Hearing aid chassis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL71916C true NL71916C (US08080257-20111220-C00005.png) |
Family
ID=25142338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL71916D NL71916C (US08080257-20111220-C00005.png) | 1947-11-24 |
Country Status (6)
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2899608A (en) * | 1959-08-11 | Multiple element printed circuit component | ||
| US2761018A (en) * | 1949-03-02 | 1956-08-28 | Paravox Inc | Hearing aid having a molded chassis |
| US2650267A (en) * | 1949-08-26 | 1953-08-25 | Maico Company Inc | Hearing aid construction |
| US2692305A (en) * | 1950-06-26 | 1954-10-19 | Microtone Company Inc | Hearing and unit |
| US2902630A (en) * | 1956-05-03 | 1959-09-01 | Jr Vincent M Heazel | Hermetically sealed package for electronic component |
| US2959645A (en) * | 1956-05-22 | 1960-11-08 | Ladd John | Hearing aid |
| US3011379A (en) * | 1957-02-05 | 1961-12-05 | Baldwin Piano Co | Electronic musical instrument with photoelectric switching |
| US3710194A (en) * | 1971-02-11 | 1973-01-09 | Westinghouse Electric Corp | Concealed adjustable element for electronic circuit cards |
| JPS5683096A (en) * | 1979-12-10 | 1981-07-07 | Sony Corp | Hybrid integrated circuit and method of manufacturing same |
| DE8234198U1 (de) * | 1982-12-06 | 1986-03-13 | Siemens AG, 1000 Berlin und 8000 München | Kleinhörgerät |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1688976A (en) * | 1924-06-21 | 1928-10-23 | Western Electric Co | Audiphone |
| US1804676A (en) * | 1925-03-05 | 1931-05-12 | Columbia Phono Graph Company I | Radio apparatus |
| US2441960A (en) * | 1943-02-02 | 1948-05-25 | Eisler Paul | Manufacture of electric circuit components |
| US2444302A (en) * | 1943-03-16 | 1948-06-29 | E A Myers & Sons | Hearing aid |
| US2453192A (en) * | 1944-09-08 | 1948-11-09 | Bell Telephone Labor Inc | Moisture impervious vent |
-
0
- GB GB650867D patent/GB650867A/en active Active
- BE BE485721D patent/BE485721A/xx unknown
- NL NL71916D patent/NL71916C/xx active
-
1947
- 1947-11-24 US US787714A patent/US2495546A/en not_active Expired - Lifetime
-
1948
- 1948-10-25 FR FR974291D patent/FR974291A/fr not_active Expired
-
1949
- 1949-11-01 DE DEB435A patent/DE804444C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE804444C (de) | 1951-04-23 |
| FR974291A (fr) | 1951-02-20 |
| GB650867A (US08080257-20111220-C00005.png) | |
| BE485721A (US08080257-20111220-C00005.png) | |
| US2495546A (en) | 1950-01-24 |
