CH125514A - Elektromagnetische Schwingungseinrichtung. - Google Patents

Elektromagnetische Schwingungseinrichtung.

Info

Publication number: CH125514A
Authority: CH; Switzerland
Prior art keywords: vibration device; electromagnetic vibration; electromagnetic; vibration
Prior art date: 1925-07-25

Application number

Other languages

English (en)

Inventor

Inc Electrical Resear Products

Original Assignee

Electrical Research Products I

Priority date (The priority date 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 date listed.)

1925-07-25

Filing date

1925-12-22

Publication date

1928-04-16

1925-12-22 Application filed by Electrical Research Products I filed Critical Electrical Research Products I

1928-04-16 Publication of CH125514A publication Critical patent/CH125514A/de

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
- H04R11/08—Gramophone pick-ups using a stylus; Recorders using a stylus
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
- G11B3/44—Styli, e.g. sapphire, diamond
- G11B3/46—Constructions or forms ; Dispositions or mountings, e.g. attachment of point to shank

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Magnetic Treatment Devices (AREA)

CH125514D 1925-07-25 1925-12-22 Elektromagnetische Schwingungseinrichtung. CH125514A (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB1704526A GB258530A (en)	1925-07-25	1925-07-25	Improvements in or relating to electromagnetic vibratory devices

Publications (1)

Publication Number	Publication Date
CH125514A true CH125514A (de)	1928-04-16

Family

ID=10088253

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH125514D CH125514A (de)	1925-07-25	1925-12-22	Elektromagnetische Schwingungseinrichtung.

Country Status (3)

Country	Link
CH (1)	CH125514A (de)
GB (1)	GB258530A (de)
NL (1)	NL20010C (de)

0
- NL NL20010D patent/NL20010C/xx active
1925
- 1925-07-25 GB GB1704526A patent/GB258530A/en not_active Expired
- 1925-12-22 CH CH125514D patent/CH125514A/de unknown

Also Published As

Publication number	Publication date
GB258530A (en)	1926-09-23
NL20010C (de)

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