Miniature acoustic transducer of improved construction
1. In a transducer the improvement comprising, in combination, a case having a floor and a sidewall formed integral with the outer periphery of said floor, a bulkhead mounted on said case and being sealingly secured to said sidewall, a g...
CE Victor，CF Warren，KM Clifford - US
Driving unit for sound reproducers
1. In a transducer the improvement comprising, in combination, a case having a floor and a sidewall formed integral with the outer periphery of said floor, a bulkhead mounted on said case and being sealingly secured to said sidewall, a g...
A Ringel - US
Magnetic unit
This invention relates to magnetic units or motors of the type that are ordinarily used to translate variations of an electrical current into mechanical movements, or vice versa. Examples $ are the actuation of a 'sound producing diaphra...
LH Wadsworth - US
SUB-MINIATURE SOUND TRANSDUCERS
This invention relates to magnetic units or motors of the type that are ordinarily used to translate variations of an electrical current into mechanical movements, or vice versa. Examples $ are the actuation of a 'sound producing diaphra...
RICHARD W. CARLISLE，GEORGE J. SEBESTA
Sub-miniature sound transducers
This invention relates to magnetic units or motors of the type that are ordinarily used to translate variations of an electrical current into mechanical movements, or vice versa. Examples $ are the actuation of a 'sound producing diaphra...
RW Carlisle，GJ Sebesta - US
METHOD OF CONNECTING DRIVE PIN TO AN ARMATURE OF AN ELECTROACOUSTIC TRANSDUCER
E. v. cARLsoN Jan. 27, 1970- METHOD OF CONNECTING DRIVE PIN TO AN ARMATURE 3 Sheets-Sheet l OF AN ELECTROACOUSTIC TRANSDUCER Original Filed Aug. 20, 1964 Zwenfov Jan. 27, 1970 E. v. CARLSON 3,491,436 METHOD OF CONNECTING DRIVE PIN TO AN ...
Carlson, Elmer V. - US
Process of making sheet-metal doors, partitions and the like.
E. v. cARLsoN Jan. 27, 1970- METHOD OF CONNECTING DRIVE PIN TO AN ARMATURE 3 Sheets-Sheet l OF AN ELECTROACOUSTIC TRANSDUCER Original Filed Aug. 20, 1964 Zwenfov Jan. 27, 1970 E. v. CARLSON 3,491,436 METHOD OF CONNECTING DRIVE PIN TO AN ...
JH Gravell - US
Loudspeaker
E. v. cARLsoN Jan. 27, 1970- METHOD OF CONNECTING DRIVE PIN TO AN ARMATURE 3 Sheets-Sheet l OF AN ELECTROACOUSTIC TRANSDUCER Original Filed Aug. 20, 1964 Zwenfov Jan. 27, 1970 E. v. CARLSON 3,491,436 METHOD OF CONNECTING DRIVE PIN TO AN ...
S Walczak - US
Driving unit for sound reproducers
E. v. cARLsoN Jan. 27, 1970- METHOD OF CONNECTING DRIVE PIN TO AN ARMATURE 3 Sheets-Sheet l OF AN ELECTROACOUSTIC TRANSDUCER Original Filed Aug. 20, 1964 Zwenfov Jan. 27, 1970 E. v. CARLSON 3,491,436 METHOD OF CONNECTING DRIVE PIN TO AN ...
RINGEL ABRAHAM
Loud-speaker and driving motor therefor
This invention relates in general to vibratory motors, and more in particular to a vibratory motor for a loud speaker of the so-called magnetic type, and to such loud speaker. In this connection, this invention relates to the subject mat...
Quam, James P. - US
