U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 6004596

Sealed Crustless Sandwich

A sealed crustless sandwich for providing a convenient sandwich without an outer crust which can be stored for long periods of time without a central filling from leaking outwardly.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 369/170 - Stylus holder or shield


Subclass of Class 369 - Dynamic information storage or retrieval
Definition: Subject matter limited in extent to a support or a protecting
No. of patents: 95
Last issue date: 01/11/2011


1      
NumberTitleIssue Date
7869337Information processing system, information processing apparatus and method, program, and recording medium
A user operates a selection panel installed in a shop to select contents which the user wants to review. A reception unit identifies the contents based on the user's operation on the selection panel, acquires an ID of a portable device incorporated in headphones wor...
01/11/2011
7058062Packet switching system having self-routing switches
A packet switching system including at least one switching node or local unit each including a label conversion unit for accommodating a plurality of packet circuits and performing conversion into output port information of a switch based on a logic channel on a pac...
06/06/2006
6862925Device for contacting and/or modifying a surface having a cantilever and a method for production of said cantilever
A device for contacting and/or modifying a surface having a cantilever connected to an almost plane carrier element staying apart from said surface, said cantilever having a tip at its loose end being in close contact to said surface. It is proposed that the cantile...
03/08/2005
6647766Device for contacting and/or modifying a surface having a cantilever and a method for production of said cantilever
A device for contacting and/or modifying a surface having a cantilever connected to an almost plane carrier element staying apart from said surface, said cantilever having a tip at its loose end being in close contact to said surface. It is proposed that ...
11/18/2003
6307354Apparatus and method for limiting leakage to ground current while optimizing output of a power supply adaptable for use with a motion sensor switch
A method and apparatus for regulating a DC power supply, adaptable for use with a motion sensor switch, by limiting the leakage to ground current of the power supply to comply with U.L. Standards while also enabling the DC power supply to provide a stable...
10/23/2001
5175724Capacitance disc information retrieval system
A system for retrieving information on a random basis from a disc having the information thereon in a spiral path around the disc. The system includes a turntable rotatable about a central spindle and adapted to support the disc thereon. An arm housing is...
12/29/1992
4968585Microfabricated cantilever stylus with integrated conical tip
A cantilever stylus with an integrally formed conical tip is provided for atomic force microscopy AFM. The method for forming a stylus includes forming a circular masking pattern on the surface of a silicon substrate and anisotropically etching the silico...
11/06/1990
4884262Magnetic system for a stereo pick-up with a movable coil
In a stereo pick-up having movable coils (14) and an SmCo magnet (22) with a high energy content, with the coil system (14, 15, 18) arranged in front of one pole face of said magnet, a yoke plate (23) of a magnetic soft material is arranged in front of sa...
11/28/1989
4802081Elongated phonograph pick-up head with snap-together construction
A stereo phonograph pick-up head or cutter has a slim elongated construction utilizing an elongated mount having connector pins at its rear end. Two elongated pole pieces fit into the mount, each having a socket at its rear end. Each coil is wound around ...
01/31/1989
4774610Transducer element assembly comprising a cantilever detachably coupled to a support
A transducer element assembly comprises a transducer element having a scanning surface for scanning a recording surface of a recording medium, a cantilever having the transducer element provided on a free tip end thereof and having a pair of holes provide...
09/27/1988
4748612Arrangement for cutting information into a record carrier made of metal, particulary copper
An arrangement is disclosed for cutting information into a record carrier made of metal, particularly of copper by means of a diamond, with the diamond body being adjusted for cutting under a canting angle and being ground in such a manner that, deviating...
05/31/1988
4571717Adapter for a plug-in cartridge
An adapter for a phonographic tone arm for interchangeable mounting of a plug-in cartridge of a linear tracking arm to a head shell of an offset tone arm. The plug-in cartridge has a predetermined mass and center of gravity and has a plurality of small di...
02/18/1986
4536238Method and apparatus for aligning a chuck for holding an information containing disc stylus
A chuck is shown for holding a stylus during manufacturing of the stylus. The invention includes a method of aligning the chuck and apparatus therefor. The chuck comprises a body and a stylus holder both of which are held separately in mutual alignment in...
08/20/1985
4534022Phonograph pick-up with improved shield grounding
A grounding technique for a screening shell of a phonograph cartridge. A connector pin is offset with respect to other pins of the cartridge so as to be in direct contact with one of the walls of the shell....
08/06/1985
4519063Phono pickup cartridge
A moving-coil type phono pickup cartridge in which undesirable resonances are eliminated and a vibrating unit is maintained in alignment with a predetermined center position of a magnet unit. A first non-magnetic body has a mount portion and a support por...
05/21/1985
4513410Pickup cartridge having stylus holder
A pickup stylus is secured to a plastic stylus holder at one end thereof by inserting it into the holder in a direction that bears a desired, non-perpendicular angle in respect of the longitudinal axis of the stylus holder. The one end of the stylus holde...
04/23/1985
4512009Stylus for stereo pickups
A stylus for stereo pickups tracking acoustic events mechanically recorded in grooves of a plate shaped record carrier comprises a soft iron tube which is adapted to embody a transducer and which has an open end into which a needle support tube is engaged...
04/16/1985
4509159Aluminum-aluminum oxide stylus arm
An improved stylus assembly for a phonograph cartridge is provided. The assembly includes an arm having a jeweled stylus attached to one end thereof. The arm is formed of a hollow aluminum tube which has been anodized so as to form an aluminum oxide skin ...
04/02/1985
4504941Stylus cartridge having stylus arm restraint
The stylus arm restraint comprises an element disposed substantially perpendicular to the stylus arm, and having a portion that is received in a recess provided in the cartridge housing when the stylus arm is held inside the cartridge. The reception of th...
03/12/1985
4502135Pickup cartridge having improved stylus flylead
A pickup cartridge comprises a stylus arm having a stylus disposed at one end, and having the other end thereof flexibly supported in the cartridge. A flylead connects an electrode arranged on the stylus to a terminal mounted on the cartridge. In accordan...
02/26/1985
4501063Stylus arm insertion apparatus
The magnet insertion apparatus includes a first passageway along which magnets are fed. Arranged in communication with the first passageway, and at right angles to it, is a second passageway. A transport blade, reciprocably mounted in the second passagewa...
02/26/1985
4495611Vibration system of pickup cartridge of record player
In the vibration system of a pickup cartridge of a record player, the object of preliminarily applying a required deforming bias, in a direction opposite to the direction of the vertical tracking force, to the damper which deforms with the application of ...
01/22/1985
4494227Stereo phono pick-up and/or cutter
A phonograph pick-up or cutter has a stylus holder carrying a stylus, which cooperates with two transducers, one for each of two orthogonal directions of vibration. Each transducer has a flat coil and an associated magnet having their axes in line. For ea...
01/15/1985
4489409Signal pickup device for disc reproducers
A signal pickup device for an apparatus for playing back an information storage medium such as a video disc comprises a cartridge casing mounted in a signal pickup device body, and a pickup cartridge housed in the cartridge casing and having a reproducing...
12/18/1984
4488284Moving-coil type pickup cartridge
In a moving-coil type pickup cartridge, a vibrating system including an armature wound with a coil is disposed at an open end area of a magnet with a damper being interposed between the armature and the magnet, and the armature is placed directly under th...
12/11/1984
4488285Stylus lifter locking mechanism for video disc player
The stylus arm carriage is provided with a rotatably-mounted torsional spring element. When the carriage is driven to an off-record home position, a pad mounted in the player above the carriage engages an upstanding portion of the rotatably-mounted elemen...
12/11/1984
4488286Signal-pickup cartridge for a rotary recording medium reproducing apparatus
A signal-pickup cartridge is adapted to be loaded into a holder of a signal-pickup device proper of a rotating recording medium reproducing apparatus. The signal-pickup cartridge comprises a cantilever having at its distal tip a reproducing element for pi...
12/11/1984
4481614Velocity correction apparatus for disc record player
A velocity correction apparatus for a disc record player includes a permanent magnet attached to a cartridge mounted pickup arm and an electromagnetic coil secured in a cartridge supporting carriage. The coil is fixed to a supporting member which conforma...
11/06/1984
4479208Signal pickup device for capacitance disk records
A signal pickup device for capacitance disk records comprises within a housing a stylus control unit responsive to a control signal to counteract the jitter movement of a capacitance detection stylus and to keep it on the right track while the record is s...
10/23/1984
4473897Tubular beryllium phonograph needleshank and method of formation
A phonograph stylus shank is formed by annealing and rolling beryllium sheet into a tube with an overlapping seam....
09/25/1984
4471478Video disc player having carriage locking mechanism
The video disc player is provided with a pair of carriage locking devices to securely lock the carriage in place during handling and shipping. Each of the carriage locking devices comprises a carriage locking pin, a device locking tab and a handle. Upon a...
09/11/1984
4459692Signal pickup cartridge
A signal pickup cartridge is formed in two sections to facilitate assembly of a leaf spring to a stylus therein. The two sections are dimensioned to permit suspension of the stylus to the first section but protruding therefrom and connection of one end of...
07/10/1984
4456984Magnetic pick-up and/or cutter cartridge
A magnetic cartridge such as a pick-up or cutter, whose magnetic circuits are at least partly hollow, the cavities extending mainly in the direction of the magnetic flux. Each magnetic circuit and in particular each polepiece is formed at least partly wit...
06/26/1984
4455639Moving coil type pickup cartridge
In a moving-coil type pickup cartridge, a vibrating system including an armature wound with a coil is disposed at an open end area of a magnet with a damper being interposed between the armature and the magnet, and the armature is placed directly under th...
06/19/1984
4442517Stylus protecting mechanism for video disc player
The stylus arm carriage is provided with a slidably-mounted plunger. When the carriage is driven to an off-record home position, a portion of the front wall of the player engages a protruding end of the plunger to drive it in. The other end of the plunger...
04/10/1984
4441177Stylus protection mechanism
A phonograph stylus protection mechanism includes a protective zone defining member and a stylus deflector. The deflector moves the stylus to the protective zone during lateral deflection of the stylus to prevent stylus and record damage....
04/03/1984
4441176Damping mechanism for a video disc stylus holder
Video disc stylus holders are designed to provide vertical decoupling of the pickup stylus from the stylus support arm. The compliance designed into the holder gives rise to mechanical resonant modes which affect the recovered signal in the audio range. A...
04/03/1984
4433408Cantilever for pickup cartridge
A cantilever for a pickup cartridge comprising a base in the form of a solid rod or a pipe coated with a layer of a substance exhibiting a high modulus of elasticity ratio higher than 5000 Kg/mm2. The substance is for example boron or a boride....
02/21/1984
4433409Pick-up assembly for video disc player
A pick-up assembly for use in a video disc player comprises a stylus having one lengthwise surface provided with an electrode and secured to a stylus carrier with the electrode facing in a direction away from the carrier, and a generally strip-shaped fly ...
02/21/1984
4424583Pickup cartridge having a ribbed cantilever
A pickup cartridge comprising a cantilever and a stylus attached to the free end of the cantilever. The cantilever is formed with a flat portion and a ribbed portion extending along the length of the flat portion so that the transverse cross-section of th...
01/03/1984
1      
 
Sign InRegister
Username  
Password   
forgot password?