GB775854A - Condenser-loudspeaker for reproduction of the higher frequency bands in the audible range and in which a foil is applied to a perforated metal sheet - Google Patents

Condenser-loudspeaker for reproduction of the higher frequency bands in the audible range and in which a foil is applied to a perforated metal sheet

Info

Publication number
GB775854A
GB775854A GB24006/55A GB2400655A GB775854A GB 775854 A GB775854 A GB 775854A GB 24006/55 A GB24006/55 A GB 24006/55A GB 2400655 A GB2400655 A GB 2400655A GB 775854 A GB775854 A GB 775854A
Authority
GB
United Kingdom
Prior art keywords
condenser
foil
loudspeaker
reproduction
frequency bands
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
Application number
GB24006/55A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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.)
Filing date
Publication date
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB775854A publication Critical patent/GB775854A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers
    • H04R19/02—Loudspeakers

Abstract

775,854. Condenser loud-speakers. STANDARD TELEPHONES & CABLES, Ltd. Aug. 19, 1955 [Aug. 26, 1954], No. 24006/55. Class 40 (4). In the assembly of a high-frequency condenser loud-speaker the following are laid in order on an insulating plate 2 : (1) A layer of felt, ribbed rubber, or corrugated paper 7. (2) A circuit lead 6. (3) A piece of insulating foil 3 metallized on its lower surface. (4) A piece of insulating material 5 covering the circuit lead. (5) A perforated counter-electrode and cover-plate 1.
GB24006/55A 1954-08-26 1955-08-19 Condenser-loudspeaker for reproduction of the higher frequency bands in the audible range and in which a foil is applied to a perforated metal sheet Expired GB775854A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE335718X 1954-08-26

Publications (1)

Publication Number Publication Date
GB775854A true GB775854A (en) 1957-05-29

Family

ID=6219596

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24006/55A Expired GB775854A (en) 1954-08-26 1955-08-19 Condenser-loudspeaker for reproduction of the higher frequency bands in the audible range and in which a foil is applied to a perforated metal sheet

Country Status (4)

Country Link
US (1) US2872532A (en)
BE (1) BE540809A (en)
CH (1) CH335718A (en)
GB (1) GB775854A (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4524436A (en) * 1981-05-15 1985-06-18 Schlumberger Technology Corporation Pressure wave fiber optic transducer cable
CA1277415C (en) * 1986-04-11 1990-12-04 Lorne A. Whitehead Elastomer membrane enhanced electrostatic transducer
US5682075A (en) * 1993-07-14 1997-10-28 The University Of British Columbia Porous gas reservoir electrostatic transducer
US20020076069A1 (en) * 1998-01-07 2002-06-20 American Technology Corporation Sonic emitter with foam stator
US6304662B1 (en) 1998-01-07 2001-10-16 American Technology Corporation Sonic emitter with foam stator
US6188772B1 (en) 1998-01-07 2001-02-13 American Technology Corporation Electrostatic speaker with foam stator
US6175636B1 (en) 1998-06-26 2001-01-16 American Technology Corporation Electrostatic speaker with moveable diaphragm edges
US6850623B1 (en) * 1999-10-29 2005-02-01 American Technology Corporation Parametric loudspeaker with improved phase characteristics
US20050100181A1 (en) * 1998-09-24 2005-05-12 Particle Measuring Systems, Inc. Parametric transducer having an emitter film
US20050195985A1 (en) * 1999-10-29 2005-09-08 American Technology Corporation Focused parametric array
US20060280315A1 (en) * 2003-06-09 2006-12-14 American Technology Corporation System and method for delivering audio-visual content along a customer waiting line
US7564981B2 (en) * 2003-10-23 2009-07-21 American Technology Corporation Method of adjusting linear parameters of a parametric ultrasonic signal to reduce non-linearities in decoupled audio output waves and system including same
US8275137B1 (en) 2007-03-22 2012-09-25 Parametric Sound Corporation Audio distortion correction for a parametric reproduction system
JP2009038637A (en) * 2007-08-02 2009-02-19 Yamaha Corp Electrostatic speaker
CN103168480B (en) 2010-06-14 2016-03-30 乌龟海岸公司 The parameter signals process improved and ejector system and correlation technique
WO2013106596A1 (en) 2012-01-10 2013-07-18 Parametric Sound Corporation Amplification systems, carrier tracking systems and related methods for use in parametric sound systems
US8958580B2 (en) 2012-04-18 2015-02-17 Turtle Beach Corporation Parametric transducers and related methods
US8934650B1 (en) 2012-07-03 2015-01-13 Turtle Beach Corporation Low profile parametric transducers and related methods
US8903104B2 (en) 2013-04-16 2014-12-02 Turtle Beach Corporation Video gaming system with ultrasonic speakers
US9332344B2 (en) 2013-06-13 2016-05-03 Turtle Beach Corporation Self-bias emitter circuit
US8988911B2 (en) 2013-06-13 2015-03-24 Turtle Beach Corporation Self-bias emitter circuit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2686847A (en) * 1951-12-12 1954-08-17 Bell Telephone Labor Inc Directional transducer

Also Published As

Publication number Publication date
CH335718A (en) 1959-01-31
BE540809A (en)
US2872532A (en) 1959-02-03

Similar Documents

Publication Publication Date Title
GB775854A (en) Condenser-loudspeaker for reproduction of the higher frequency bands in the audible range and in which a foil is applied to a perforated metal sheet
GB326602A (en) Improvements in electro-static sound reproducers or transmitters
GB1545445A (en) Audio amplifier with acoustic feedback suppression circuit
SE7903710L (en) WAY TO MAKE AN INSULATING MOVIE ON A PLATE OF A CORNER-ORIENTED SILICONE
ES485653A1 (en) Electret microphone.
GB781637A (en) Improvements in or relating to apparatus for the reproduction of sound
GB1105627A (en) Improvements in electrostatic loudspeakers
GB894900A (en) Improvements in or relating to electronic apparatus incorporating electrostatic loudspeakers
JPS53147526A (en) Speaker device
GB854851A (en) Improvements in or relating to loudspeakers
GB823269A (en) Improved electric circuit wiring
JPS5443015A (en) Production of diaphragm for dynamic electro-acoustic transducers
JPS5227602A (en) Headphone device
GB905560A (en) Improvements in or relating to a baffle for a loudspeaker
GB263300A (en) Improvements in or relating to condenser telephones
FR2343389A1 (en) Additional loudspeaker for car radio - may be connected with capacitor across terminals of existing loudspeaker to improve performance without affecting impedance
ES203642A1 (en) A device to void the second harmonic in electrostatic sound players and improve frequency responses (Machine-translation by Google Translate, not legally binding)
GB788543A (en) Improvements in or relating to apparatus for reproducing sound from audio-frequency electrical signals
JPS5364501A (en) Acoustic device
JPS522308A (en) Tone ringer circuit
JPS5427420A (en) Multiway speaker device
GB884364A (en) Improvements in or relating to electrostatic loudspeakers
JPS5329102A (en) Headphone listening piano
GB911411A (en) Improvements in or relating to moving coil loudspeakers and to radio receiving apparatus including such loudspeakers
GB1067280A (en) Improvements in or relating to tuning arrangements for use in radio apparatus