Bizarre Patents
An extension member is attachable to a trailer hitch and extends away from the vehicle and is connected to a seating frame supporting a toilet seat.
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.
| Number | Title | Issue Date |
| 4048585 | Tuning type laser oscillator apparatus and laser radar system and laser communication system using the same In a tuning type laser oscillator apparatus, a common dispersion element such as diffraction grating or prism is used with a plurality of laser oscillators so that the same oscillation condition can be established for the respective oscillators by adjusti... | 09/13/1977 |
| 4039851 | Time dispersion tuned Raman oscillator There is disclosed a time-dispersion tuned Raman oscillator which makes use of the frequency-dependent transit time of Stokes radiation through a long optical fiber. Time-dispersion tuning is effected by synchronizing Stokes radiation of the desired frequ... | 08/02/1977 |
| 4028636 | Acousto-optical deflector tuned organic dye laser An acousto-optical deflector tuned organic dye laser wherein the tuning eent comprises a diffraction grating and a Bragg diffraction cell driven by an RF responsive, ultrasonic transducer. An optional angle multiplier may be used between the cell and the... | 06/07/1977 |
| 4023117 | Stimulated raman scattering resonator A stimulated Raman scattering resonator which generates stimulated Raman ttering within an optical resonator and provides regeneration and unidirectional emission of radiation. A focusing mirror is provided for the pumping radiation and is combined with ... | 05/10/1977 |
| 4019157 | Method and apparatus for tuning high power lasers This invention relates to high power gas lasers that are adapted to be tuned to a desired lasing wavelength through the use of a gas cell to lower the gain at a natural lasing wavelength and "seeding" the laser with a beam from a low power laser which is ... | 04/19/1977 |
| 4017807 | Electronically controlled digital laser A tunable organic dye laser having an acoustic-optic beam deflector, a fod Lyot filter and a diffraction grating which produces a periodic, discrete (or digital) output. The period between discrete wavelengths in the output of the laser are easily varied... | 04/12/1977 |
| 4009391 | Suppression of unwanted lasing in laser isotope separation Frequency selective means, particularly for use in uranium enrichment by laser induced isotopically selective ionization to suppress unwanted lasing of the excited uranium medium. The frequency selective means, such as filters, are placed at intervals in ... | 02/22/1977 |
| 3999858 | Method of aligning a laser device A method of aligning the mirrors and bore tube axis of a laser without actually operating the laser comprising the directing of two light beams through the bore tube collinear with the bore tube axis; the two light beams being directed through the tube fr... | 12/28/1976 |
| 3996525 | Acousto-optically tuned laser A tunable laser wherein the tuning element is intracavity and comprises a larizing prism for linearly polarizing the beam, and an electronically tunable filter backed by a retroreflective surface.... | 12/07/1976 |
| 3992682 | Two-dimensional laser scanning system A two-dimensional dye laser scanning system is provided wherein a dye laser having a controlled output wavelength is combined with a diffractive beam-bending device to produce a near infrared or visible laser beam that can be directed to scan in two ortho... | 11/16/1976 |
| 3992684 | Flashlamp pumped laser device employing fluid material for producing laser beam A flashlamp pumped laser device employing a fluid material such as a dye solution for producing a laser beam, comprising an elongated hollow cell having an active or lasing region including a throat intermediate a continuously converging inlet chamber and... | 11/16/1976 |
| 3991383 | Franz-Keldysh effect tuned laser A tunable laser having a laser material capable of being tuned such as an ganic dye, tuning means including an intra-cavity semiconductor element to which an electric field can be applied, and an angle sensitive filter or reflector such as a diffraction g... | 11/09/1976 |
| 3986194 | Magnetic semiconductor device An injection-type laser light emitting semiconductor device comprising a main unit in the shape of a generally rectangular parallelepiped comprising a layer of a magnetic semiconductor for emitting laser light and at least one layer of semiconductor havin... | 10/12/1976 |
| 3983508 | Lasers A laser comprises a cell containing xenon at high pressure and has its walls previous to high-velocity electrons. The cell is of cylindrical shape and constitutes the anode of a field-emission diode with the cathode of the diode surrounding the anode. Ele... | 09/28/1976 |
| 3983507 | Tunable laser systems and method A tunable laser includes a birefringent tuning crystal placed in the laser cavity. An electrical signal is applied to the tuning crystal to establish an electrical tuning field within the crystal, and a desired laser tuning rate as a function of the appli... | 09/28/1976 |
| 3978429 | Mode-locked laser The stability of passively mode-locked lasers operated to provide short pulses is improved by utilizing saturable absorption which has a composite characteristic consisting of one component of relatively fast recovery time and another of relatively slow r... | 08/31/1976 |
| 3973219 | Very rapidly tuned cw dye laser A method and apparatus is described which allows a cw dye laser to be tuned over hundreds of angstroms on a nanosecond time scale in spite of the relatively long cavity decay and build up time. A tuning element is positioned at the mid-point between the r... | 08/03/1976 |
| 3970963 | Waveguide laser arrangement for generating and combining a plurality of laser beams Laser arrangements are disclosed wherein a plurality of individual laser beams at slightly different wavelengths are generated in respective capillary bore waveguides in a common body of dielectric material. The generated laser beams are caused to converg... | 07/20/1976 |
| 3970960 | Broadly tunable continuous-wave laser using color centers Broadly tunable infrared lasers analogous to dye lasers operating in the visible spectrum are provided by significant improvements upon an FA (II) color center laser previously demonstrated in a limited way. The improvements include techniques ... | 07/20/1976 |
| 3970959 | Two dimensional distributed feedback devices and lasers Optical devices and waveguides using a thin film optical waveguide having a two dimensional array of perturbations associated therewith or with adjacent optically coupled layers. The array is regular and forms periodic variations in two non-coincident dir... | 07/20/1976 |
| 3965440 | Tunable laser oscillator A laser oscillator circuit is disclosed which allows the operating frequency of the laser to be tuned over a wide range of frequencies in response to a wideband control signal. A laser oscillator such as that disclosed is useful in optical communications ... | 06/22/1976 |
| 3959739 | Electro-optic tuning of organic dye laser An electro-optically tuned organic dye laser having an electro-optic cell d a diffraction grating. A varying electrical field is supplied to the cell to cause the laser beam to be swept across the stationary diffraction grating which reflects a specific w... | 05/25/1976 |
| 3958189 | Stimulated coherent cyclotron scattering, millimeter, and submillimeter wave generator An improved apparatus and technique for providing tunable high power millimeter and submillimeter radiation. A tunable source of microwave energy is coupled to an evacuated drift tube in which an intense relativistic electron beam is propagated while cons... | 05/18/1976 |
| 3940712 | Modulation techniques for lasers An arrangement for frequency modulating a laser beam utilizes an optical prism which is disposed within the laser cavity such that the beam continuously experiences total internal reflection from one face thereof as an optical element having an index of r... | 02/24/1976 |
| 3940713 | Stimulated Brillouin scattered (SBS) tuned laser A stimulated Brillouin scattered (SBS) tuned laser which utilizes stimula Brillouin scattering wherein the output laser beam produces the acoustic wave that scatters the laser beam to thereby provide the scanning which impacts on a retoreflective grating... | 02/24/1976 |
| 3938058 | Tunable laser A tunable laser is disclosed in which a plurality of laser beams different from one another in wavelength and polarization can be simultaneously oscillated. The tunable laser is advantageous among others in that an atomic absorption spectroscopic analysis... | 02/10/1976 |
| 3934210 | Tuning apparatus for an optical oscillator One or more birefringent plates are placed within the optical cavity of an optical oscillator such as a dye laser. Each of the plates is positioned at an angle, such as Brewster's angle with respect to the light reflected within the optical cavity of the ... | 01/20/1976 |
| 3931592 | Surface acoustic wave tuned laser Tuning a laser with a piezoelectric crystal having a reflective surface, rein surface acoustic waves (SAW) deform the reflective surface of the crystal to create a diffraction grating.... | 01/06/1976 |
