US518959A - kqlbassieff - Google Patents
kqlbassieff Download PDFInfo
- Publication number
- US518959A US518959A US518959DA US518959A US 518959 A US518959 A US 518959A US 518959D A US518959D A US 518959DA US 518959 A US518959 A US 518959A
- Authority
- US
- United States
- Prior art keywords
- piece
- kqlbassieff
- pole
- center
- central
- 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 - Lifetime
Links
- 210000003414 Extremities Anatomy 0.000 description 2
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R11/00—Transducers of moving-armature or moving-core type
Definitions
- Patented May '1, 1894 Patented May '1, 1894.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electromagnets (AREA)
Description
.m Model.) I 2 Shets-Shet 1.
V E. V." KOLBASSIEPP.
TELEPHONE.
Patented May '1, 1894.
2 Sheets-Sheea 2.
TELEPHONE.
,959. Patented May 1, 1894 f1 WE EWEEEEJ H i g? h V shoe magnets all arranged wholly within said; nected to the opposite arm of each magnet, a casing and Whollyin a common interior plane conductive coil surrounding the central p916- transverse to the center of said casing, and piece between the latter and the cyl ndrical also in radial relation to said center,and furpole-piece, and a, diaphragm overlylng the 5 thermore with the extremities of their arms cuter ends of said pole-pieces, substantially 15 adjacent to said center, a central pole-piece as set forth.
structurally connected to one armef eaeh BUGENIJ VICTOBOVlTClI KOLBASSIEFF. magnet, a, cylindrical pole-piece of opposite Witnesses: v polarity from said central pole-piece and sum MICHAEL N. GALLAGHAN,
Io rounfiing the same and also structurally con- 7 S. KAYNAKOFF.
Publications (1)
Publication Number | Publication Date |
---|---|
US518959A true US518959A (en) | 1894-05-01 |
Family
ID=2587758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US518959D Expired - Lifetime US518959A (en) | kqlbassieff |
Country Status (1)
Country | Link |
---|---|
US (1) | US518959A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4926398A (en) * | 1987-10-30 | 1990-05-15 | Divelink Pty Ltd | Pressure compensated communication system |
US5022100A (en) * | 1990-09-28 | 1991-06-11 | The United States Of America As Represented By The Secretary Of The Navy | Apparatus and method for underwater acoustic receiving system installation in diving helmet |
-
0
- US US518959D patent/US518959A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4926398A (en) * | 1987-10-30 | 1990-05-15 | Divelink Pty Ltd | Pressure compensated communication system |
US5022100A (en) * | 1990-09-28 | 1991-06-11 | The United States Of America As Represented By The Secretary Of The Navy | Apparatus and method for underwater acoustic receiving system installation in diving helmet |
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