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Class Information
Number: 381/301
Name: Electrical audio signal processing systems and devices > Binaural and stereophonic > Stereo speaker arrangement > In furniture or clothing
Description: Subject matter in which the transducers are mounted on or within a pillow, headrest, couch, jacket, belt, etc.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7571503 |
Headphone pillow |
Aug. 11, 2009 |
| 7519192 |
Wired clothing and earphones |
Apr. 14, 2009 |
| 7440581 |
Backpack with integrated speakers |
Oct. 21, 2008 |
| 7280667 |
Speaker system |
Oct. 9, 2007 |
| 7212645 |
Ear warmer with a speaker system |
May. 1, 2007 |
| 7176510 |
Thin film capacitor |
Feb. 13, 2007 |
| 7039207 |
Entertainment and pacification system for car seat |
May. 2, 2006 |
| 7035422 |
Wearable speaker garments |
Apr. 25, 2006 |
| 6910549 |
Embedded multimedia speaker structure |
Jun. 28, 2005 |
| 6862358 |
Piezo-film speaker and speaker built-in helmet using the same |
Mar. 1, 2005 |
| 6818816 |
Personal amplification sound system |
Nov. 16, 2004 |
| 6819771 |
Vest with piezoelectric transducer for practicing music |
Nov. 16, 2004 |
| 6798391 |
Wearable computer system |
Sep. 28, 2004 |
| 6799018 |
Wireless transmission communication system and portable microphone unit |
Sep. 28, 2004 |
| 6792124 |
Garment with removable electronic devices |
Sep. 14, 2004 |
| 6744898 |
Passenger seat with built-in speakers and audio system therefor |
Jun. 1, 2004 |
| 6721430 |
Musical bench |
Apr. 13, 2004 |
| 6681024 |
Device including a built-in electroacoustic transducer for optimum speech reproduction |
Jan. 20, 2004 |
| 6466677 |
Cordless digital audio headphone |
Oct. 15, 2002 |
| 6192137 |
Garment capable of outputting a sound |
Feb. 20, 2001 |
| 6097822 |
Vest garment for acoustic stimulation of fetus |
Aug. 1, 2000 |
| 6075868 |
Apparatus for the creation of a desirable acoustical virtual reality |
Jun. 13, 2000 |
| 6044161 |
Pillow speaker apparatus and method |
Mar. 28, 2000 |
| 6023516 |
Garment with a voice chip in a sealed container |
Feb. 8, 2000 |
| 5982537 |
Speaker apparatus with a picture projecting screen |
Nov. 9, 1999 |
| 5953434 |
Headband with audio speakers |
Sep. 14, 1999 |
| 5815579 |
Portable speakers with phased arrays |
Sep. 29, 1998 |
| 5563951 |
Audio interface garment and communication system for use therewith |
Oct. 8, 1996 |
| 5442710 |
Body-felt sound unit and vibration transmitting method therefor |
Aug. 15, 1995 |
| 5321763 |
Body sense speaker |
Jun. 14, 1994 |
| 5313678 |
Acoustical pillow |
May. 24, 1994 |
| 5282251 |
Speaker device for the hearing impaired |
Jan. 25, 1994 |
| 5212734 |
Shoulder-mount speaker and audio equipment |
May. 18, 1993 |
| 5201002 |
Stereo sound pillow and method of making |
Apr. 6, 1993 |
| 5125033 |
Body sense speaker |
Jun. 23, 1992 |
| 5125031 |
Speaker system with focused vibration |
Jun. 23, 1992 |
| 5123133 |
Orthopedic pillow with speakers |
Jun. 23, 1992 |
| 5119421 |
Stereo system cabinet with loudspeaker door assembly |
Jun. 2, 1992 |
| 5109421 |
Fetal speaker system and support belt for maternal wear |
Apr. 28, 1992 |
| 4991222 |
Sound reproducer |
Feb. 5, 1991 |
| 4876724 |
Personal sound system |
Oct. 24, 1989 |
| 4862438 |
Pillow/audio system combination |
Aug. 29, 1989 |
| 4860364 |
Sound generating outerwear and associated switches |
Aug. 22, 1989 |
| 4830007 |
Fetus learning system |
May. 16, 1989 |
| 4797934 |
Speaker headrest |
Jan. 10, 1989 |
| 4782533 |
Stereophonic pillow speaker system |
Nov. 1, 1988 |
| 4764962 |
Stereo speaker system for walkman-type radio and/or cassette player |
Aug. 16, 1988 |
| 4589134 |
Personal sound system |
May. 13, 1986 |
| 4539700 |
Personal portable audio device |
Sep. 3, 1985 |
| 4507816 |
Waterbed with sound wave system |
Apr. 2, 1985 |
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