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| Number | Title | Issue Date |
| 7129669 | Motor controller, semiconductor integrated circuit, indicating instrument and method for controlling a motor A motor controller comprising, a detector configured to perform a difference processing for information relating to a counter electromotive force and an induced electromotive force generated by a stepping motor, and to generate a driving control signal based on a re... | 10/31/2006 |
| 7080942 | Bimetal thermometer The bimetal thermometer according to the invention comprises a bimetal helix arranged inside a protective tube, one end thereof being attached to the protective tube and the other end thereof being connected to a pointer shaft to which a pointer arranged inside a ca... | 07/25/2006 |
| 7055386 | Fluid level indicator dial assembly with magnetic calibration feature A dial assembly with magnetic calibration feature adapted for use as part of a gauge assembly for measuring fluid levels in cryogenic applications is disclosed. The dial assembly includes a base, a pivot pin extending from the base, a pointer assembly pivotally moun... | 06/06/2006 |
| 6994053 | Assembling structure of indicating needle for instrument and assembling method A assembling structure of an indicating needle for an instrument includes a case body having an upper case and a lower case (13), an indicating needle shaft (19) rotatably pivoted by the upper case and the lower case, and a top portion (19A) of ... | 02/07/2006 |
| 6741184 | Pointer position detection using light emitting diodes An apparatus and method sensing the absolute position of a gauge. A pointer having a predefined rotation with a circular travel pattern. At least one light emitting diode that generates an optical signal. An optical sensor placed in a fixed position along the circul... | 05/25/2004 |
| 6641717 | Water purifier A water purifier 40 includes a flow meter 42 for measuring the cumulative flow of water through a water purification cartridge 6. The flow meter has an indicator portion 44 that rotates in response to increasing cumulative flow and a graduated portion 46 ... | 11/04/2003 |
| 6032540 | In-line, field adjustable irrigation flow indicator for high, normal and low flow rates An in-line flow meter for use in drip irrigation systems which provides a field adjustable, infinitely variable visual flow indication of both high and low flow rates above and below a field adjustable normal flow rate is provided by means of a drag paddl... | 03/07/2000 |
| 6014075 | Indicating instrument having stepping motor A zero-position stopper to stop the pointer when it is returned to the zero position and a maximum-position stopper to stop the pointer when it is located at the maximum position are provided. A microcomputer generates a zero-start signal when an ignition... | 01/11/2000 |
| 5553480 | Apparatus for calibrating an indicating pointer relative to instrument dial plate graduations The indicating pointer of a gauge is rotatably and frictionally connected to a hub which is attached to the shaft from a meter movement for calibration of the pointer relative to the graduation indicia of the gauge, without removal and replacement of the ... | 09/10/1996 |
| 5479820 | Cryogenic gauge A gauge for measuring fluid level, especially cryogenic fluids, having a head assembly with a passageway to receive the upper portion of a lift rod assembly. The lift rod assembly includes a spring attached at the upper end to the head and at the lower en... | 01/02/1996 |
| 5303587 | Diver's depth gauge The present invention comprises an oil-filled depth gauge which is made far less sensitive to violent shock and the potential resulting inaccuracies to the maximum depth gauge indicator from such shock. More specifically, the present invention comprises a... | 04/19/1994 |
| 5267526 | Cross-coil type indicator A cross-coil type indicator including a coil bobbin around which a pair of coils are wound while intersecting each other at a right angle, a magnet rotor rotatably supported in a hollow space of the coil bobbin, a pointer shaft fixedly secured to a center... | 12/07/1993 |
| 4878453 | Indicating instrument for automotive vehicle To unvisualize the mechanical indicating instrument for an automotive vehicle when the ignition switch is turned off, the pointer is covered by a pointer cover below zero indication when the meter is deactivated, or a semitransparent front cover is dispos... | 11/07/1989 |
| 4575258 | Steam trap failure detector Detector apparatus adaptably mountable about the external surface of steam pipes and condensate pipes, and wherein the apparatus includes a curved temperature sensitive bi-metallic element fixedly mounted at one end and with the opposed end being free to ... | 03/11/1986 |
| 4513604 | Method and apparatus for indicating leakage in compressed air line Method and apparatus for indicating on a pressure differential gauge whether air leakage in a compressed air line is within a predetermined acceptable level, the gauge has pressure-responsive and manually shiftable pointers and is connectable in the air l... | 04/30/1985 |
| 4508048 | Pointer mechanism At an extremity of the pointer board of a push-button tuner is fixed a member on which a pointer is mounted. At a surface of the member on which the pointer is mounted. There is disposed a lateral fitting groove having an opening at the front surface. The... | 04/02/1985 |
| 4402209 | Liquid level float gauge calibration means A liquid level gauge calibration means which utilizes slip clutch action between the gauge pointer shaft and the float rod. In setting the gauge range, either of said elements may be held stationary at a given point while the other element is moved to coo... | 09/06/1983 |
| 4020787 | Visual altitude alerting indicator Visual altitude alerting indicator for the altimeter of an aircraft, manually settable at "Before Landing Check List" to alert the pilot through visual cues to the required safe altitudes he must remember to prevent flying below prescribed safe altitudes,... | 05/03/1977 |
