Bizarre Patents
Behavior Modification Wristwatch
A wristwatch including a watch band and a watch body having an octagon shaped perimeter and being red in color and having the word STOP thereon to resemble a stop sign.
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| Number | Title | Issue Date |
| 4087842 | Recording track eccentricity compensation method and means Playback method and apparatus compensate exactly for both tracking and speed errors due to any eccentricity in the information track on a rotating recording member during playback by moving the read head in a circular path having the same radius, angular ... | 05/02/1978 |
| 4085427 | Transducer positioning system A transducer positioning system wherein a pair of position information signals are first processed by means which tend to equalize the offset errors in each, the signals then being further processed by peak detection circuitry, the peak detection response... | 04/18/1978 |
| 4084201 | Magnetic disc, especially a flexible magnetic disc, for track adjustment and amplitude control The invention relates to a magnetic disc for track adjustment and amplitude control having at least one control track with magnetic control signals, this track being arranged in the central region of the recording area, and the control signals consisting ... | 04/11/1978 |
| 4075667 | Method and apparatus for aligning read/write heads in a disc recorder In a magnetic disc recorder utilizing a servo head to generate a feedback signal for the positioning of the heads on the recording disc, a method for aligning the read/write heads with the servo heads by eliminating substantially all of the effects of hea... | 02/21/1978 |
| 4072990 | Servo positioning system for data storage apparatus Data track positioning information for data tracks on a stack of recording disks is provided by servo information pre-recorded on one surface of the stack. In addition, each data track on the remaining surfaces of the stack has servo information relative ... | 02/07/1978 |
| 4056831 | Thermal compensation for disk pack systems A temperature compensation technique for memory disk pack systems used in data processing apparatus wherein the temperatures at the base plate and at the disk pack are monitored so as to generate a temperature compensation error signal. Such error signal ... | 11/01/1977 |
| 4053937 | Calibration timing bands A method of preparing an alignment disc pak in which first and second signals of different frequencies f1 and f2 are recorded in eccentric bands at a selected track on the disc such that the playback signal will consist of three components having frequenc... | 10/11/1977 |
| 4012777 | Record carrier and device for playing back same A recording device for storing and playing back information in which mechanical deformations which are representative of the stored information are provided in the surface of a record carrier consisting of a permanent magnetizable material or being covere... | 03/15/1977 |
| 3994016 | Head positioning servo system for disk drives A closed loop head positioning servo system is disclosed for use in a disk drive employing a disk pack having a dedicated servo surface and a number of data surfaces carrying both data and servo information. A track counting coarse positioning system is u... | 11/23/1976 |
| 3969574 | Tubular player arm for an optical recording and reproducing device with drive coil and tachogenerator coil on other end A device for writing information in a disk-shaped record carrier, and/or for reproducing the recorded information, the transducer being radially movable relative to the record carrier, which transducer is disposed on a tubular member, which at its one end... | 07/13/1976 |
| 3962724 | Method of and device for testing movable magnetic heads for ability to trace a predetermined spiral magnetic track without deviating therefrom A method of and a device using a testing sheet having magnetically recorded thereon a magnetic head deviation detection signal formed on a portion of a predetermined spiral magnetic track or on a portion of a predetermined spiral magnetic track and on at ... | 06/08/1976 |
| 3959820 | System for increasing the number of data tracks in a magnetic recording system A system is provided for positioning a transducer over a magnetic media by the sensing of previously recorded information. The previously recorded information is in the form of a plurality of tracks containing position information. A servo transducer trav... | 05/25/1976 |
| 3953889 | Electronic head adjust system for removable magnetic discs Means for making field alignment of transducers with reference tracks prerecorded on a master disc comprising a source of regulated voltage, a separate potentiometer associated with each selected transducer, a separate switch coupling each potentiometer t... | 04/27/1976 |
