Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 4310862 | Magnetic control strip recording device for roadway control system A magnetic control strip recording device for vehicle control systems. A paving machine (12) lays a strip (10) containing magnetizable material. A wheel (30) rotates in response to the movement of machine (12). Magnets (34), (36) on the wheel and reed swi... | 01/12/1982 |
| 4309702 | Displacement detecting apparatus Apparatus for detecting the displacement of a member having a magnetic scale on which are provided calibrating signals of a predetermined wavelength. First and second magnetic heads are disposed to reproduce the calibrating signals from the magnetic scale... | 01/05/1982 |
| 4237540 | Tape recorder with table computer A tape recorder calculator is disclosed. The tape recorder comprises a cassette charging portion thereof on one side surface of a polyhedron of a housing and digit keys on an other side surface. The display for displaying counted values is also used as a ... | 12/02/1980 |
| 4214481 | Method and device for applying a detectable reference mark on a body to be balanced An annular ferromagnetic portion, i.e., "track", of the body to be balanced is rotated adjacent a first electromagnet having a decaying magnetic field which renders that track magnetically homogeneous. Thereafter, a large electrical current of short durat... | 07/29/1980 |
| 4190868 | Method and apparatus for automatically inscribing magnetic marks on a wireline Method and apparatus for automatically inscribing magnetic marks on a moving wireline are disclosed. An alternating magnetic field is generated for application to a zone on the moving wireline. The marks are inscribed on the wireline by interrupting the f... | 02/26/1980 |
| 4139893 | Calculator program security system A calculator program is stored on a magnetic recording medium or in a memory such as a read-only-memory. The program is read into or coupled to a programmable calculator for controlling the programmable calculator. A calculator program security system is ... | 02/13/1979 |
| 4133642 | Pipetting apparatus for automatic analyzer A read-write head writes data relative to a patient in a magnetic tape disposed on a sample supply container and reads out the written data. The read data are displayed on a display device to check the data for correctness. The sample supply container in ... | 01/09/1979 |
| 4131918 | Providing control signals for machine operations There is described a method of guiding a machine as it moves relative to a surface, which is preferably the surface of a workpiece on which the machine is working, by selectively magnetizing a layer of magnetic material provided at or close to the surface... | 12/26/1978 |
| 4020503 | Still image slide with sound track control Means for providing stationary images from slides and sound related to these images include a retainer for insertion of a slide, an endless taut magnetic tape mounted within the retainer, and stationary magnetic heads that impose sound tracks on the tape ... | 04/26/1977 |
| 4010354 | Method and apparatus for tire identification Magnetically encodable tags in tape format are written sequentially with tire identifying data and applied to the sidewall material of a green tire. The encoded data may be read from the tire at any point in the tire manufacturing process and the signals ... | 03/01/1977 |
| 4010491 | Automatically retractable tape in sound-slide means A slide and magnetic tape retainer provides capability of insertion of a mounted transparency and has a spiral spring type tape that is self retractable, after being transported, to its original position. The tape is guided for non-interference with the s... | 03/01/1977 |
| 3988546 | System for audibly recognizing an aurally unclassifiable signal According to the present invention, a system for audibly recognizing a received signal which is aurally unclassifiable because it is too short or too long in its duration and/or its frequency band is too wide or too narrow, such as occurs in sensor system... | 10/26/1976 |
| 3983578 | Ticket information recording and web parting mechanism This ticket making machine is capable of issuing a single ticket without waste of ticket stock. A web of ticket stock having a magnetic stripe record surface is arranged to be advanced around a rotating carrier having a magnetic recording unit and one tic... | 09/28/1976 |
| 3982275 | Read-write apparatus for use in a conveyor control According to the invention, the conveyor control device, comprising an information carrier in the form of permanent magnets pressed into a nonmagnetic backing, and an information recording unit wherein pole pieces of a magnetic core are located on a commo... | 09/21/1976 |
| 3978588 | Magnetic wire line marking, erasing and detecting method and apparatus A method and apparatus for providing a signal when equipment being run into or out of a well on a magnetizable wire line reaches a previously visited point in the well below the surface. With the equipment at the point in the well to be revisited, a magne... | 09/07/1976 |
| 3936873 | Conveyor belt system A system is disclosed for controlling the discharge of articles from a steel belt conveyor. When articles are placed on the belt at the loading station, the belt is magnetized at a high intensity in a very small area which has a predetermined relationship... | 02/03/1976 |
